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marino5856

What does AM and PM stand for? - 0 views

researchmaniacs.com/...WhatDoesAmAndPmStandFor.html

PM and AM stand for

shared by marino5856 on 11 Nov 14 - No Cached
  • So you ask yourself, what does AM and PM stand for? What are the acronyms for AM and PM? What do the initials a.m. and p.m. mean? Both AM and PM come from Latin. AM stands for Ante Meridiem and PM stands for Post Meridiem. Furthermore, Ante Meridiem means before midday (before Noon), and Post Meridiem means after midday (after noon).
    • marino5856
      marino5856 on 13 Nov 14
       
      PM and AM  is a latin name. PM stand for post meridiem (after noon) and AM stands for ante meridiem (Before noon) 
    • marino5856
      marino5856 on 13 Nov 14
       
      But it is easier to remember by AM stands for after midnight and PM pre-midnight or prior to midnight
  • Although not the correct acronym, for easy remembering, you could say that AM stands for After Midnight and PM stands for Pre-Midnight or prior to midnight.
Isabel Herrera

Taste, Information about Taste - 0 views

www.faqs.org/...Taste.html

taste information

shared by Isabel Herrera on 07 Nov 14 - No Cached
  • An individual's unique sense of taste is partially inherited, but factors such as culture and familiarity can help determine why one person's favorite food made be hot and spicy while another just can't get enough chocolate.
    • Isabel Herrera
      Isabel Herrera on 07 Nov 14
       
      Taste can also depend on your culture or family traditions and that's why some people love spicy food while other people hate it and prefer chocolate instead.
  • Taste occurs when specific proteins in the food bind to receptors on the taste buds.
    • Isabel Herrera
      Isabel Herrera on 07 Nov 14
       
      Taste can happen when the protein in the food your eating joins with the receptors in your taste buds.
  • Taste buds for all four taste groups can be found throughout the mouth, but specific kinds of buds are clustered together in certain areas. Think about licking an ice cream cone; taste buds for sweetness are grouped on the tip of our tongue. The buds for sour tastes are on the sides of the tongue and saltyon the front.
    • Isabel Herrera
      Isabel Herrera on 07 Nov 14
       
      The taste buds for all "four taste groups" are usually placed all over the mouth, but taste buds for specific kinds are found in a little group somewhere in the mouth. For example, the taste buds for sweetness can be found in a tiny group in the tip of your tongue. The taste buds for sour are found on the sides.
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  • People constantly regenerate new taste buds every 3-10 days to replace the ones worn out by scalding soup, frozen yogurt, and the like. Unfortunately, aspeople grow older, their taste buds lose their fine tuning because they are replaced at a slower rate.
    • Isabel Herrera
      Isabel Herrera on 14 Nov 14
       
      A lot of people change taste buds every 3-10 days to avoid the taste buds that had been used for hot soup and frozen yogurt. But as people grow older their taste buds starts losing their ability to taste that's why they're replaced.
  • (The number of taste buds varies in different animal species. For example, cows have 25,000 taste buds, rabbits 17,000, and adult people approximately 10,000.)
    • Isabel Herrera
      Isabel Herrera on 14 Nov 14
       
      Different animals have different amount's of taste buds, Fore example cows have 24,000 taste buds, rabbits have 17,000 taste buds and adult people have 10,000 taste buds.
garzat5774

How birds fly | Sciencelearn Hub - 0 views

sciencelearn.org.nz/...How-birds-fly

birds

shared by garzat5774 on 03 Dec 14 - No Cached
  • Birds have many physical features, besides wings, that work together to enable them to fly. They need lightweight, streamlined, rigid structures for flight. The four forces of flight – weight, lift, drag and thrust – affect the flight of birds.
  • Flying birds have: lightweight, smooth feathers – this reduces the forces of weight and drag a beak, instead of heavy, bony jaws and teeth – this reduces the force of weight an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust light bones – a bird’s bones are basically hollow with air sacs and thin, tiny cross pieces to make bones stronger – this reduces the force of weight a rigid skeleton to provide firm attachments for powerful flight muscles – this helps with the force of thrust a streamlined body – this helps reduce the force of drag wings – these enable the force of lift.
  • WingsThe shape of a bird’s wing is important for producing lift. The increased speed over a curved, larger wing area creates a longer path of air. This means the air is moving more quickly over the top surface of the wing, reducing air pressure on the top of the wing and creating lift. Also, the angle of the wing (tilted) deflects air downwards, causing a reaction force in the opposite direction and creating lift.Larger wings produce greater lift than smaller wings. So smaller-winged birds (and planes) need to fly faster to maintain the same lift as those with larger wings.Wing loading tells you how fast a bird or plane must fly to be able to maintain lift: wing loading = weight/wing area (kilograms per square metre).A smaller wing loading number means the bird/plane can fly more slowly while still maintaining lift and is more manoeuvrable.
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  • GlidingWhen a bird is gliding, it doesn’t have to do any work. The wings are held out to the side of the body and do not flap. As the wings move through the air, they are held at a slight angle, which deflects the air downwards and causes a reaction in the opposite direction, which is lift. But there is also drag (air resistance) on the bird’s body, so every now and then, the bird has to tilt forward and go into a slight dive so that it can maintain forward speed.
  • SoaringSoaring flight is a special kind of glide in which the bird flies in a rising air current (called a thermal). Because the air is rising, the bird can maintain its height relative to the ground. The albatross uses this type of soaring to support its multi-year voyages at sea.
  • FlappingBirds’ wings flap with an up-and-down motion. This propels them forward. The entire wingspan has to be at the right angle of attack, which means the wings have to twist (and do so automatically) with each downward stroke to keep aligned with the direction of travel.
  • Birds obtain thrust by using their strong muscles and flapping their wings. Some birds may use gravity (for example, jumping from a tree) to give them forward thrust for flight. Others may use a running take-off from the ground.
  • Different birds have different adaptive features to meet their flight needs: Some birds are small and can manipulate their wings and tail to manoeuvre easily, such as the fantail (pīwakawaka). The hawk, with its large wingspan, is capable of speed and soaring. Gannets and seabirds are streamlined to dive at high speeds into the ocean for fish. Godwits, although small, are equipped to fly long distances.
    • garzat5774
      garzat5774 on 03 Dec 14
       
      birds have some chacteristics that help them fly, birds are light weighted they have light feathers insted of heavy ones that add more weight to their bodys, they also have a beak insted of jaws that also add weight to their boddys, thay have hollow bones in their body that means that the bone has nothing inside it
    • garzat5774
      garzat5774 on 03 Dec 14
       
      birds get ready to fly by flapping their wings, some birds use "gravity" to take of some run and they jump just like an airplane and others jump from a tree and then start flapping their winds
Nany Rocha

Gender Focus | The History of Pink for Girls and Blue for Boys - 1 views

www.gender-focus.com/...pink-for-girls

gender pink blue girls boys

shared by Nany Rocha on 31 Oct 14 - No Cached
  • But did you know that pink hasn’t always been a colour for girls, or blue for boys? In Michael Kimmel’s outstanding Manhood in America: A Cultural History, he points out that clothing wasn’t colour-coded in America until the early twentieth century, before which little boys and girls were dressed pretty much identically. Even when people started pushing for more gender-specific children’s clothing, there was a huge debate over which colour to assign to which gender. It started out with boys wearing pink or red because the colours were seen to indicate strength, while girls wore blue because they were “flighty” like the sky. From a 1918 editorial called “Pink or Blue” cited by Kimmel:
    • Nany Rocha
      Nany Rocha on 04 Nov 14
       
      Michael Kimmel pointed out that color coding wasn't used in the vintage america.In fact little boys and little girls used to dress up the same way.But then people wanted to make little kids use specific colored clothes.It started with boys wearing pink or red stuff because the colors where supposed to symbolize strength,while girls used blue because it was soft and dainty (Delicate).
  • So basically the colours changed based on which colour was seen to denote the strength of boys and delicacy of girls, but the idea that those traits are inborn and inalienable did not. It’s not just clothes: walk through the girls’ section of any Toys R Us and you’ll see shelf after shelf of pink, pink, pink. While little girls enjoy some leeway to play with blue toys, many boys get mocked if they want to play with pink “girls’ toys” and sometimes their parents and relatives start panicking that they might even grow up to be (gasp) gay. The fact that parents worry about the sexuality of their kids at all is crazy enough in itself, but that’s for another time. Back to colour-coding.
  • If you think boys and girls just forget about coding gender based on colour once they hit puberty, you’d be wrong. Maricopa County Sheriff Joe Arpaio made headlines when he started forcing male inmates to wear pink underwear to humiliate them. He says it’s a deterrent to reoffending because inmates don’t want to come back and be forced to wear pink again. How screwed up is it that we’ve given a colour so much meaning in less than 100 years that it would make grown male criminals tremble just to think about wearing it?
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  • his is about more than policing convicts, it’s about policing the boundaries of masculinity and reinforcing homophobia. Kimmel states: “Homophobia is more than the irrational fear of homosexuals…[it] is the fear of other men – that other men will unmask us, emasculate us, reveal to us and the world that we do not measure up, are not real men.” The pink and blue shoe keychains might not seem like a big deal, and indeed most people don’t think twice about them. But imagine how much harder it could be for some trans and intersex people to negotiate a restroom ritual like this. Gender-neutral washrooms are a big step towards fixing this issue, but so is realizing that blue-pink colour coding is just the tip of the iceberg of things we use to arbitrarily divide “masculine” from “feminine”.
    • Nany Rocha
      Nany Rocha on 04 Nov 14
       
      Gender stereotypes are something that might not seem important,but actually it is a bit important because it kind of symbolizes what a girl or boy will or would use as clothes or other things.I really think that all this stereotypes are dum because it actually doesn't make sense.
guzman5862

The Healing Properties of Tears: 7 Good Reasons to Cry Your Eyes Out - Beyond Blue - 0 views

www.beliefnet.com/...ays-tears-and-crying-heal.html

cry eyes reasons works facts

shared by guzman5862 on 10 Nov 14 - No Cached
  • 1. Tears help us see. Starting with the most basic function of tears, they enable us to see. Literally. Tears not only lubricate our eyeballs and eyelids, they also prevent dehydration of our various mucous membranes. No lubrication, no eyesight. Writes Bergman: “Without tears, life would be drastically different for humans–in the short run enormously uncomfortable, and in the long run eyesight would be blocked out altogether.”
  • 2. Tears kill bacteria. No need for Clorox wipes. We’ve got tears! Our own antibacterial and antiviral agent working for us, fighting off all the germs we pick up on community computers, shopping carts, public sinks, and all those places the nasty little guys make their homes and procreate. Tears contain lysozyme, a fluid that the germ-a-phobic dreams about in her sleep, because it can kill 90 to 95 percent of all bacteria in just five to 10 minutes! Which translates, I’m guessing, to three months’ worth of colds and stomach viruses.
  • 3. Tears remove toxins. Biochemist William Frey, who has been researching tears for as long as I’ve been searching for sanity, found in one
  • ...5 more annotations...
  • study that emotional tears–those formed in distress or grief–contained more toxic byproducts than tears of irritation (think onion peeling). Are tears toxic then? No! They actually remove toxins from our body that build up courtesy of stress. They are like a natural therapy or massage session, but they cost a lot less!
  • 4. Crying can elevate mood. Do you know what your manganese level is? No, neither do I. But chances are that you will feel better if it’s lower because overexposure to manganese can cause bad stuff: anxiety, nervousness, irritability, fatigue, aggression, emotional disturbance and the rest of the feelings that live inside my happy head rent-free. The act of crying can lower a person’s manganese level. And just like with the toxins I mentioned in my last point, emotional tears contain 24 percent higher albumin protein concentration–responsible for transporting many small molecules (which has to be a good thing, right?)–than irritation tears.
  • 5. Crying lowers stress. Tears really are like perspiration in that exercising and crying both relieve stress. For real. In his article, Bergman explains that tears remove some of the chemicals built up in the body from stress, like the endorphin leucine-enkaphalin and prolactin, the hormone I overproduce because of my pituitary tumor that affects my mood and stress tolerance. The opposite is true too. Bergman writes, “Suppressing tears increases stress levels, and contributes to diseases aggravated by stress, such as high blood pressure, heart problems, and peptic ulcers.
  • 6. Tears build community. In her “Science Digest” article, writer Ashley Montagu argued that crying not only contributes to good health, but it also builds community. I know what you’re thinking: “Well, yeah, but not the right kind of community. I mean, I might ask the woman bawling her eyes out behind me in church what’s wrong or if I can help her, but I’m certainly not going to invite her to dinner.” I beg to differ. As a prolific crier, especially on video, I always come away astounded by the comments … the resounding support of people I know all that well, and the level of intimacy exchanged among them. Read for yourselves some of the comments on both my self-esteem video and my recent death and dying video and you’ll appreciate my point. Tears help communication and foster community.
  • 7. Tears release feelings. Even if you haven’t just been through something traumatic or are severely depressed, the average Jo goes through his day accumulating conflicts and resentments. Sometimes they gather inside the limbic system of the brain and in certain corners of the heart. Crying is cathartic. It lets the devils out. Before they wreak all kind of havoc with the nervous and cardiovascular systems. Writes John Bradshaw in his bestseller “Home Coming”: “All these feelings need to be felt. We need to stomp and storm; to sob and cry; to perspire and tremble.” Amen, Brother Bradford!
guzman5860

Facts about the Sky for Kids - The Free Resource For Kids - 0 views

www.thefreeresource.com/facts-about-the-sky-for-kids

facts sky free

shared by guzman5860 on 05 Nov 14 - No Cached
  • In the night sky (and to some extent during the day) the moon, planets and stars are visible in the sky.
    • guzman5860
      guzman5860 on 06 Nov 14
       
      In the night if you see closely to the sky you can sometimes see the moon, stars, and, and planets 
Eugenio Ferrara

Photos & Videos | TIME For Kids - 0 views

www.timeforkids.com/...zoo-workers-185731

time for kids videos

shared by Eugenio Ferrara on 03 Dec 14 - No Cached
    • Eugenio Ferrara
      Eugenio Ferrara on 04 Dec 14
       
      they check all the animals before every body come to see them. They do specil medicatins thet they need. They clean their yards to make shure evry thing goes well.They do the speciol food for the cats and they preper toys. they encaregue the animals to look for their food son they can learn their natoral instincts.they do good things for the animals such as the cubs. one of the specil theings they do is that they change their things so they feel in a complitley new habitat when they are in the same one. They train the animals not for the public for medical things. most of the zoo keepers treat them well.
Isabel Herrera

Tongue and Taste - How it works. - 1 views

www.wegottaste.com/tongue-and-taste.html

tongue taste works

shared by Isabel Herrera on 04 Nov 14 - No Cached
  •  The tongue is basically a muscle. This muscle helps the digestive process by doing several things: Move food to the teeth for chewing. Mix saliva into the food. Move food to the back of the mouth for swallowing.
    • Isabel Herrera
      Isabel Herrera on 04 Nov 14
       
      The tongue is a very strong muscle that helps the digestive process by helping the food mix with the saliva, also for the food to go to the back of the mouth for swallowing, and finally it helps the food go to your teeth for you to chew easily. 
  • As mentioned above, the tongue mixes the food with saliva. As the saliva mixes it is also spreading the solutions and chemicals from the food into the grooves between the papillae on the tongue. The taste buds are located on the papillae and the taste receptors respond to the chemicals from the food. When triggered, the receptors send impulses along the nerves in the tongue up to the brain for processing.
    • Isabel Herrera
      Isabel Herrera on 04 Nov 14
       
      The tongue helps the food mix with your saliva, but when it starts mixing it sends food chemicals to the cuts on your papillae. The taste buds are in the papillae and the taste receptors respond to the chemicals of the food. When that happens the brain gets signals of how the food tastes like.
lobo5879

Five Stages Of Sleep ... Sleep Cycles Explained - 2 views

www.better-sleep-better-life.com/five-stages-of-sleep.html

stages sleep

shared by lobo5879 on 03 Nov 14 - No Cached
  • Stage 1This is the lightest stage of sleep, the transition phase, where you feel yourself drifting off. If you were to forget about the alarm clock and allow yourself to wake up naturally, Stage 1 sleep would be the last stage before you fully wake up. You don't spend too much time in Stage 1 sleep, typically five to 10 minutes, just enough to allow your body to slow down and your muscles to relax.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      The stage 1 of sleep is when you are starting to relax your muscles and start to sleep. This stages is not very long it is about 5 to ten minutes. This stage is when you wake up more quickly for example if someone touches you you will easily wake up.
  • Stage 2The second stage of sleep is still considered light sleep. Your brain activity starts to slow down, as well as your heart rate and breathing. Your body temperature falls a little and you're beginning to reach a state of total relaxation in preparation for the deeper sleep to come.
  • Stage 3Stage 3 sleep is the start of deep sleep, also known as slow wave sleep. During stage 3, your brain waves are slow "delta waves," although there may still be short bursts of faster of brain activity (also known as beta-waves). If you were to get awakened suddenly during this stage, you would be groggy and confused, and find it difficult to focus at first.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      this stage is when your body is finishing to relax and example is: if someone trys to wake you up you would be confused and do not know what is happening because you were already finishing to completely relax
  • ...3 more annotations...
  • Stage 4Of the five stages of sleep, this is the one when you experience your deepest sleep of the night. Your brain only shows delta-wave (slow wave) activity, and it's difficult to wake someone up when they're in Stage 4 of sleep.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      this stage i when you are more hardly to be awaken. In this stage is when you start to dream and this stage is when the kids start having nightmares
  • It's during Stage 4 sleep that children are most likely to suffer from bedwetting or sleep terrors. Stages 3 and 4 can last anywhere from 5 - 15 minutes each, but the first deep sleep of the night is more likely to be an hour or so. This is the time when the body does most of it's repair work and regeneration.
  • Stage 5 This is the stage of sleep when you dream. It is also referred to as "active sleep" or REM sleep, which stands for the rapid eye movements that characterize Stage 5. During REM sleep, your blood flow, breathing, and brain activity increases. An EEG would show that your brain is about as active as it is when you're awake.Another aspect of Stage 5 sleep is that the muscles in your arms and legs will go through periods of paralysis. Scientists speculate that this may be nature's way of protecting us from acting out our dreams.The first period of REM sleep of the night usually begins about 90 minutes after you start drifting off, and lasts for about 10 minutes. As the night passes, the periods of REM sleep become longer, with the final episode lasting an hour or so.Babies may spend as much as half of the time they're asleep in the REM phase. For a healthy adult, Stage 5 occurs for about 20 to 25% of the time you are sleeping, and decreases with age.Scientists and researchers are continually learning more about the mechanics and physiological effects of sleep, and what happens during the five stages of sleep.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      This stage is when you are completly relaxed and many babies are many time during this tage and adults are abaut 25% of they sleep
    • lobo5879
      lobo5879 on 06 Nov 14
       
      This stage is more dificult to wake up because you are alrady in deep sleep.
Nany Rocha

Stanford research: The meaningful life is a road worth traveling - 2 views

news.stanford.edu/...ningful-happy-life-010114.html

happiness meaning research

shared by Nany Rocha on 06 Nov 14 - No Cached
  • One can find meaning in life and be unhappy at the same time. Aaker points out that this type of life has received less attention in the media, which has recently focused on how to cultivate the happy life.  Examples of highly meaningful, but not necessarily happy, lives may include nursing, social work or even activism. The unhappy but meaningful life involves difficult undertakings and can be characterized by stress, struggle and challenges. However, while sometimes unhappy in the moment, these people – connected to a larger sense of purpose and value – make positive contributions to society. Happiness without meaning is characterized by a relatively shallow and often self-oriented life, in which things go well, needs and desires are easily satisfied, and difficult or taxing entanglements are avoided, the report noted. And so, the meaningful life guides actions from the past through the present to the future, giving one a sense of direction. It offers ways to value good and bad alike, and gives us justifications for our aspirations. From achieving our goals to regarding ourselves in a positive light, a life of meaningfulness is considerably different than mere happiness. "People have strong inner desires that shape their lives with purpose and focus – qualities that ultimately make for a uniquely human experience," said Aaker.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      Happiness comes from having stuff only if you think about happiness like that. Happiness actually comes from not being stressed and trying to be with your family.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      People think that happiness comes from having phones,toys,etc.but thats the problem,Thanks to other peoples blogs and myths people think that the only way to be happy is from having stuff,and from having the "Happiness stuff" comes being "Buried alive".
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      Being happy is not about having stuff,its about being with your family,Happiness is the best thing that can happen to anybody.Happiness is kind of the meaning of life,it gives us a meaning of what to do and when to do it.Happiness gives us a path to life,happiness is when you are with your family,happiness helps us understand that we can do better than what we already do.Happiness as you know doesn't come from having stuff,
    • morales5853
      morales5853 on 07 Nov 14
       
      no
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      Happiness is also known as a goal of life.It represents us as who we are. Happiness shows on our face.It makes other people see our pride sometimes other people feel our pride so much that they show their pride,and the happiness influence goes and goes until at some point it stops.nI clearly think that if it wasn't for happiness,pride and making our goals (Not soccer goals) we would still be cavemen and cavewomen because without them we would be terrible we would feel stupid we would feel so dum that not even Benjamin Franklin would've created the light because he probably would've felt stupid. So thats why being happy is important because without happiness we wouldn't have accomplished anything.And look at us now we already went to the moon we made a tv we made a telephone and now we have iphones.it all happened thanks to our 1 and greatest feeling:Happiness.
    • Nany Rocha
      Nany Rocha on 10 Nov 14
       
      Sometimes people feel sad and depressed so they go to the mall and go buy clothes and other items,then they claim to be relaxed and happy but Jennifer Aaker proved that its not true.In fact she proved that there are lots of ways to be happy but only 1 way is the most true hearted : Social work and also being with your family.But you cant be happy by just standing besides your family,you would have to be social with them.
  • A Stanford research project explored the key differences between lives of happiness and meaningfulness. While the two are similar, dramatic differences exist – and one should not underestimate the power of meaningfulness. "The quest for meaning is a key part of what makes us human," the researchers concluded.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      A Stanford research project explored the key differences between lives of happiness and meaningfulness. While the two are similar, dramatic differences exist - and one should not underestimate the power of meaningfulness. "The quest for meaning is a key part of what makes us human," the researchers concluded. BY CLIFTON B. PARKER Social psychologist Jennifer Aaker studies happiness and meaningfulness in life. While lives of meaningfulness and happiness overlap, they are distinctly different, according to Stanford research. But not everybody understands that happiness comes from within not from having or buying stuff. 50% of the world population (Not counting the babies) thinks that the more stuff they got or get the happier they'll be!But of course that we the "smart" population think otherwise. Social psychologist Jennifer Aaker has studied her whole life everything about happiness and she taught us that happiness comes from within happiness comes from smiling everyday from being social with friends or family.Happiness doesn't come from having stuff not at all!! Happiness is the greatest gift of all,happiness isnt just a feeling,happiness is a friendly shadow that follows you everywhere only if you let it.
    • Nany Rocha
      Nany Rocha on 07 Nov 14
       
      The Stanford research project of Jennifer Aaker explains how to get happiness and why it is important.But now I realize that not everybody understands that happiness comes from within not from having or buying stuff. 50% of the world population (Not counting the babies) thinks that the more stuff they got or get the happier they'll be!But of course that we the "smart" population think otherwise. Social psychologist Jennifer Aaker has studied her whole life everything about happiness and she taught us that happiness comes from within happiness comes from smiling everyday from being social with friends or family.Happiness doesn't come from having stuff not at all!! Happiness is the greatest gift of all,happiness isn't just a feeling,happiness is a friendly shadow that follows you everywhere only if you let it.When I say that happiness is a shadow following you only if you let it its because this days happiness is a complete shadow.Not everybody is happy and someday we might never feel happiness ever again,But while I get off topic you should think : "Wow,I should listen to her.I should be grateful for what I already have, instead of getting more stuff." Because the more you think about it the more you understand that happiness is our path to life.that happiness is our friend happiness is our heart that keeps us alive.Thats why we smile thats why we cry thats why we love laugh and live. Without happiness we would be grumpier than the grumpiest cat.We should think more about being grateful than thinking of what to buy to be happy.
  • Nany Rocha on 06 Nov 14
     
    A bit boring but i hope its helpful!
  • morales5853 on 07 Nov 14
     
    A bit boring but i hope its helpful!
Diego Hinojosa

Mars -- Britannica School - 0 views

school.eb.com/...345010

mars atmosphere

shared by Diego Hinojosa on 05 Nov 14 - No Cached
  • Nevertheless, the search for life on Mars continues, in part because it shows signs of having been wetter in the past. Water is necessary for all known forms of life. It is possible that microscopic life once existed on Mars. Today the surface is too cold and the air is too thin for liquid water to exist there for long. It is also bombarded with ultraviolet radiation from the Sun, which is very harmful to living things.
    • Diego Hinojosa
      Diego Hinojosa on 05 Nov 14
       
      Mars is the fourth planet from the sun for years and years there have been sending  little robots and machines from NASA to find more information. It has a very little atmosphere to protect it from the sun.
marino5856

Clocks - How Time Works - 1 views

science.howstuffworks.com/...time2.htm

How does the clock works

shared by marino5856 on 31 Oct 14 - No Cached
  • A day consists of two 12-hour periods, for a total of 24 hours. An hour consists of 60 minutes. A minute consists of 60 seconds. Seconds are subdivided on a decimal system into things like "hundredths of a second" or "millionths of a second."
    • marino5856
      marino5856 on 04 Nov 14
       
      There is 24 hours in a day because  they first divided 60 and that equals 12. So 12 plus 12 equals 24 so thats how they had 24 hours in a day.
  • hat's a pretty bizarre way to divide a day up. We divide it in half, then divide the halves by twelfths, then divide the twelfths into sixtieths, then divide by 60 again, and then convert to a decimal system for the smallest increments. It's no wonder children have trouble learning how to tell time.
  • How long is a day? It's the amount of time it takes for the Earth to rotate one time on its axis. But how long does it take the Earth to rotate? That is where things become completely arbitrary. The world has decided to standardize on the following increments:
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  • Why are there 24 hours in a day? No one really knows. However, the tradition goes back a long way. Take, for example, this quote from Encyclopedia Britannica:
  • Why are there 60 minutes in an hour and 60 seconds in a minute? Again, it is unclear. It is known, however, that Egyptians once used a calendar that had 12 30-day months, giving them 360 days. This is believed to be the reason why we now divide circles into 360 degrees. Dividing 360 by 6 gives you 60, and 60 is also a base number in the Babylonian math system.
    • marino5856
      marino5856 on 04 Nov 14
       
      The Egyptians had a calendar that has 12 months so that equals 360 day in total. Also science they new that there is 360 days in a year thats why a circle is 360 degrees. The Roman people invented that so that in the clock there is not 24 hours in a clock so there is 12 am and 12pm.
  • What do a.m. and p.m. mean? These abbreviations stand for ante meridiem, before midday, and post meridiem, after midday, and they are a Roman invention. According to Daniel Boorstin in his book The Discoverers, this simple division of the day into two parts was the Romans' first increment of time within a day:
Nany Rocha

Henry Hudson - Facts & Summary - HISTORY.com - 0 views

www.history.com/...henry-hudson

henry hudson history

shared by Nany Rocha on 24 Nov 14 - No Cached
  • wice being turned back by ice, Hudson embarked on a third voyage–this time on behalf of the Dutch East India Company–in 1609. This time, he chose to continue east by a more southern route, drawn by reports of a possible channel across the North American continent to the Pacific. After navigating the Atlantic coast, Hudson’s ships sailed up a great river (which would later bear his name) but turned back when they determined it was not the channel they sought. On a fourth and final voyage, undertaken for England in 1610-11, Hudson spent months drifting through the vast Hudson Bay and eventually fell victim to a mutiny by his crew. Hudson’s discoveries laid the groundwork for Dutch colonization of the Hudson River region, as well as English land claims in Canada.
  • enry Hudson made his first voyage west from England in 1607, when he was hired to find a shorter route to Asia from Europe through the Arctic Ocean. After
  • tic Ocean. After
  • ...3 more annotations...
  • s hired to find a shorter route to Asia from
  • n Bay and eventually fell victim to a mutiny by his crew. Hudson’s discoveries laid the groundwork for Dutch colonization of the Hudson River region, as well as Englis
  • ken for England in 1610-11, Hudson spent months drifting through the vast Hudson Bay and eventually fell victim to a mutiny by his crew. Hudson’s discoveries laid the groundwork for Dutch colonization of the Hudson River region, as w
Esteban Cantu

This House believes wild animals should not be kept in captivity | idebate.org - 0 views

www.nl.idebate.org/...s-should-not-be-kept-captivity

shared by Esteban Cantu on 03 Dec 14 - No Cached
  • Zoos are premises for the captivity of animals, often in urban areas where many of the animals would not otherwise be found, with the intention of studying the animals and displaying them to the public at large. The predecessor of the zoo was the menagerie, which involved the captivity of birds typically for the entertainment of the aristocracy, and has a long history running back to ancient times. The first modern zoo evolved out of an aristocratic menagerie in Vienna in 1765. Many types of zoo now exist, from the petting zoos that encourage the public to get up and close with the animals to the large nature reserves that provide space for the animals to roam around within and most famously the large, urban zoos like the London Zoo which include elephants, lions and penguins and are usually notable tourist drawcards for the cities concerned. Proponents argue that zoos are beneficial both to the animals themselves, protecting endangered species with specific breeding programs, and the public, as an educational tool to increase both awareness and understanding. Opponents respond that the removal of wild animals from their habitat is wrong, that they should be left in their natural surroundings and not used as tools for public entertainment. Show less
Esteban Cantu

Should animals be kept in zoos? | | Debatewise - where great minds differ - 0 views

debatewise.org/...should-animals-be-kept-in-zoos

shared by Esteban Cantu on 03 Dec 14 - No Cached
  • Zoos are premises for the captivity of animals, often in urban areas where many of the animals would not otherwise be found, with the intention of studying the animals and displaying them to the public at large. The predecessor of the zoo was the menagerie, which involved the captivity of birds typically for the entertainment of the aristocracy, and has a long history running back to ancient times. The first modern zoo evolved out of an aristocratic menagerie in Vienna in 1765. Many types of zoo now exist, from the petting zoos that encourage the public to get up and close with the animals to the large nature reserves that provide space for the animals to roam around within and most famously the large, urban zoos like the London Zoo which include elephants, lions and penguins and are usually notable tourist drawcards for the cities concerned. Proponents argue that zoos are beneficial both to the animals themselves, protecting endangered species with specific breeding programs, and the public, as an educational tool to increase both awareness and understanding. Opponents respond that the removal of wild animals from their habitat is wrong, that they should be left in their natural surroundings and not used as tools for public entertainment. (shamelessly taken from our sister site idebate.org)
jaime5789

BBC Nature - Dinosaurs 'shrank' regularly to become birds - 0 views

www.bbc.co.uk/28563682

shared by jaime5789 on 04 Nov 14 - No Cached
  • Huge meat-eating, land-living dinosaurs evolved into birds by constantly shrinking for over 50 million years, scientists have revealed.
    • jaime5789
      jaime5789 on 04 Nov 14
       
      Gigantic dinosaurs evolved into the small birds we know today! Scientists think that dinosaurs evolved into birds, now people also think that dinosaurs used to have feathers! Big meat eating dinosaurs such as the Spinosaurus and T-Rex may have evolved into the modern birds we know today! 
    • jaime5789
      jaime5789 on 04 Nov 14
       
      Gigantic dinosaurs evolved into the small birds that we see today! Scientists think that dinosaurs evolved into birds, now people also think that dinosaurs used to have feathers! Big meat eating dinosaurs such as the Spinosaurus and T-Rex may have evolved into the modern birds we know today! 
    • jaime5789
      jaime5789 on 04 Nov 14
       
      Gigantic dinosaurs such as the Spinosaurus and T-Rex evolved into the small birds that we see today. Scientists think that dinosaurs evolved into birds, now people also think that dinosaurs used to have feathers! 
    • jaime5789
      jaime5789 on 05 Nov 14
       
      New Paraphrase: Did you know that dinosaurs, such as the Tyrannosaurus Rex and the fearsome Velociraptor became smaller, and after 50 million years, we now think that... 
  • Previous work has shown that theropod dinosaurs, the dinosaur group which included Tyrannosaurus rex and Velociraptor and gave rise to modern birds, must have decreased in size at some point in their evolution into small, agile flyers.
    • jaime5789
      jaime5789 on 04 Nov 14
       
      Now, work has shown that two legged dinosaurs including T-Rex and the fearsome Velociraptor gave birth to the birds we see today!
    • jaime5789
      jaime5789 on 05 Nov 14
       
      The University of Adelaide, wonders a lot about dinosaurs... They found out that dinosaurs such as Spinosaurus and Utahraptor made the birds we know today! 
  • But size changes frequently occurred in dinosaur evolution, so the research team members, led by Mike Lee, from the University of Adelaide, Australia, wanted to find out if the dramatic size reduction associated with the origin of birds was unique. They also wanted to measure the rate of evolution in dinosaurs using a large data set
    • jaime5789
      jaime5789 on 04 Nov 14
       
      Research indicates that dinosaurs constantly changed, the University of Adelaide wants to find out what makes the gigantic size changes? They found out that the evolution by dinosaur is unique and amazing! 
    • jaime5789
      jaime5789 on 04 Nov 14
       
      The University of Adelaide also wants to measure the the frequency of dinosaur evolution!
    • jaime5789
      jaime5789 on 05 Nov 14
       
      The U.O.A (University Of Adelaide) wonders, "how can something so big turn into something so small?" this is due to new eras, and the evolution of dinosaurs & birds!
  • ...9 more annotations...
  • They found that the dinosaur group directly related to birds shrank rapidly from about 200 million years ago.
    • jaime5789
      jaime5789 on 04 Nov 14
       
      Scientists found out that a dinosaur species related to birds shrank in a short time and probably turned into the birds we know today! 
    • jaime5789
      jaime5789 on 05 Nov 14
       
      Dinosaur species related to birds, shrank in a short period of time! We know believe that they turned into the birds that we're familiar with today! 
  • Theropods shrunk 12 times from 163kg (25st 9lb) to 0.8kg (1.8lb), before becoming modern birds.
    • jaime5789
      jaime5789 on 05 Nov 14
       
      Really big dinosaurs started shrinking and their weight decreased slowly..
  • The researchers found theropods were the only dinosaurs to get continuously smaller.
    • jaime5789
      jaime5789 on 05 Nov 14
       
      Scientists now know that the two-legged dinosaur species were the dinosaurs that frequently got smaller! 
  • From this analysis they produced a detailed family tree mapping out the transformation of theropods to their bird descendants.
    • jaime5789
      jaime5789 on 05 Nov 14
       
      We now predit that the two-legged dinosaurs transformed into birds!
  • It traces evolving adaptations and changing body size over time and across dinosaur branches.
    • jaime5789
      jaime5789 on 05 Nov 14
       
      We now think that dinosaurs adapted into transforming into birds little by little! 
  • The researchers concluded that the evolution of the branch of dinosaurs leading to birds was more innovative than other dinosaur lineages.
    • jaime5789
      jaime5789 on 05 Nov 14
       
      We conclude that, dinosaurs probably changed into birds! 
  • this sustained shrinking and accelerated evolution of smaller and smaller body size allowed the ancestors of birds to develop traits which helped them to cope much better than their less evolved dinosaur relatives.
    • jaime5789
      jaime5789 on 07 Nov 14
       
      Dinosaurs were getting smaller they developed traits to survive. 
  • The researchers believe that miniaturisation and the development of bird-like traits had a joint influence on the evolution of the dinosaurs into today's birds. Professor Michael Benton, from the University of Bristol's school of earth sciences, said: "This study means we can't see the origin of birds as a sudden or dramatic event, with a dinosaur becoming a powered flyer overnight. "The functions of each special feature of birds changed over time - feathers first for insulation, and later co-opted for flight; early reductions in body size perhaps for other reasons, and later they were small enough for powered flight; improvements in sense of sight and enlargement of brain - even a small improvement in these is advantageous. "So perhaps it's a long-term trend associated with deputation to a new set of habitats, in the trees, to avoid predation, and to exploit new food resources."
    • jaime5789
      jaime5789 on 07 Nov 14
       
      Researchers now think that the shrinking of the dinosaurs was what developed dinosaurs into todays birds! Professor Michael from the University of Bristol says that we can't study the era of birds, just like that...
    • jaime5789
      jaime5789 on 07 Nov 14
       
      This is a long process that didn't just happen like that, you sleep, you wake up and you're a bird, no! Its a very difficult process! 
  • "Birds evolved through a unique phase of sustained miniaturisation in dinosaurs," Mr Lee said.
    • jaime5789
      jaime5789 on 07 Nov 14
       
      Birds evolved due to the dinosaurs becoming smaller!
Eugenio Ferrara

The Mariners' Museum | EXPLORATION through the AGES - 0 views

ageofex.marinersmuseum.org/index.php

lief exploration

shared by Eugenio Ferrara on 20 Jan 15 - No Cached
  • d. He had brothers, Thorvald and Thorstein, and a half-sister, Freydis. In the year 999 BCE, Ericsson sailed to Norway to visit King Olaf Trygvson. On his way the ship was blown off course and he landed on one of the Hebrides islands. Continuing poor weather made it impossible for him to leave so he spent the summer on the island.
  • . She gave birth to his son and as his departure date drew near, she asked that he take her with him. He refused, citing her family connections. Thorgunna had a reputation for being able to predict the future, and vowed that even though Leif was leaving them, one day she and their son would journey to find him and the experience would not be a good one.
  • , while other sources claim that when the boy was old enough to travel, he found Leif.
  • ...15 more annotations...
  • What is known for certain is that Leif and the boy eventually found each other and the young man was recognized as his son.
  • Nevertheless, Leif left the island and got to Norway by the fall. King Olaf welcomed him to his court and asked if Leif had plans for a voyage to Greenland. The king had recently been converted to Christianity and wanted Leif to proclaim Christianity to the Norse settlers living in Greenland, including his parents. He returned to Greenland, and as the king wished, spread the message of Christianity. Leif’s mother, Thjodhild, quickly adopted the new religion, but his father, Eric, was reluctant to give up his pagan beliefs. Only when Thjodhild refused to live with
  • him as man and wife, did Eric the Red finally convert to Christianity.
  • Leif Eiriksson’s exploration and discovery of America was inspired by the accidental voyage of Bjarni Herjulfson.
  • As a skilled sailor and trader, Herjulfson had devoted himself to going on trading voyages from Iceland every other year
  • In 1002 BCE, Leif Eiriksson decided to explore the unknown lands discovered by Herjulfson while on the quest for his father.
  • Leif bought a ship from Bjarni and gathered a crew of thirty-five men.
  • Eric, his father, was approached about being the expedition leader. A fall from a horse prior to embarking convinced Eric that he would be unlucky on the voyage and that he was too old to set off on another adventure. Leif himself took command and the ship and crew departed.
  • The first country Leif encountered was the last one Herjulfson had seen. It was barren, with glacier-topped mountains and vast stretches of rock-covered ground
  • Initiating the practice of naming the lands he found after their geological and physical traits, he called this area Helluland, or “land of flat rocks.” (Labrador)
  • The second country Leif sailed to was level and wooded, with deep white beaches and a sloping shoreline. He called this place Markland (Newfoundland) or “forest land.” Leaving there, he sailed northeast. He found an island north of the mainland. He and his crew sailed the channel between the island and mainland and steered west. When they found land they went ashore, discovering a small river that flowed to the sea. They returned, took the ship up the river to a lake where they decided to build houses, and stayed through the winter.
  • The area had salmon in the river and lake; the winter was mild and almost frost-free, and the grass did not wither during the cold season.
  • The hours of daylight and nighttime were more equally divided than in either Iceland or Greenland
  • Leif divided his crew in half, determined to explore the area. Half would stay in camp while the other half went as a group to investigate the surroundings. The exploration crew was to go no further than the distance they could travel in order to return to camp by nightfall.
  • to explore the area. Half would stay in camp while the other half went as a group to investigate the surroundings. The exploration crew was to go no further than the distance they could travel in order to return to camp by nightfall.
lobo5879

What Sleep Is and Why All Kids Need It - 0 views

kidshealth.org/...not_tired.html

sleep kids

shared by lobo5879 on 31 Oct 14 - No Cached
  • The average kid has a busy day. There's school, taking care of your pets, running around with friends, going to sports practice or other activities, and doing your homework. By the end of the day, your body needs a break. Sleep allows your body to rest for the next day. Everything that's alive needs sleep to survive. Even your dog or cat curls up for naps. Animals sleep for the same reason you do — to give your body a tiny vacation.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      people need to sleep because it is like youre brain rest also like when your body is tiered you sit down to relax sleeping is like that for your brain and your body
morales5853

Animals & Habitats - 0 views

www3.canisius.edu/...SOFTCHALKGOOD_print.html

Animals Habitats Nature Surviving

shared by morales5853 on 06 Nov 14 - No Cached
  • Some animals eat plants or other animals for food and may also use plants for shelter and nesting.
  • A habitats is a place where living things live and how they survive in that area.
  • A habitats is a place where living things live and how they survive in that area.
  • ...5 more annotations...
  • A habitats is a place where living things live and how they survive in that area.
  • A habitats is a place where living things live and how they survive in that area.
  • A habitats is a place where living things live and how they survive in that area.
    • morales5853
      morales5853 on 06 Nov 14
       
      Animals only live in the habitat they know they will survive in
  • Plants, animals, and even humans choose habitats for many different reasons, depending on their needs.
    • morales5853
      morales5853 on 06 Nov 14
       
      Living creatures and thing decide where to live in, all depending on what they think their needs would be. For example a human would like to be were there are jobs and markets where he can survive not in the middle of the desert where they can starve and die. 
lobo5879

Sleep Facts: 20 Facts about Sleep you didn't know ←FACTSlides→ - 1 views

www.factslides.com/s-Sleep

sleep facts

shared by lobo5879 on 31 Oct 14 - No Cached
  • Humans spend a third of their life sleeping. That's about 25 years.
    • lobo5879
      lobo5879 on 05 Nov 14
       
      did you now that humnans spend 25 yeras of theire life and cats spend 70% of ther elofes sleeping
  • The record for the longest period without sleep is 11 days.
    • lobo5879
      lobo5879 on 05 Nov 14
       
      did you know that the record of a humnan without sleping is 11 fays
  • Sleeping less than 7 hours each night reduces your life expectancy.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      did you know that sleping less than 7 hrs evry night can take time of youre life.
  • ...8 more annotations...
  • Some Deaf People Make Sign Language in Their Sleep.
    • lobo5879
      lobo5879 on 05 Nov 14
       
      id you know that the people that cant hear make sign anguege when they are sleeping
  • Before alarm clocks were invented, there were "knocker-ups" who went tapping on client's windows with long sticks until they were awake.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      Did you know that before alarm clockd=s were invented they used to be a person that tapped you on the window to wake you up.
  • It's impossible to sneeze while sleeping.
    • lobo5879
      lobo5879 on 05 Nov 14
       
      Did you know that you cant sleep when you are slepping they say it is imposible
  • Most people can survive for up to 2 months without eating, but people can only live up to 11 days without sleeping.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      did you know that most people can suvive without eating for 2 months and without sleping 11 days
  • Sea otters hold hands when they sleep so they don't drift away from each other.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      did you know that sea otters hold theyre hand while they are slleping so they dont get lost during theyre slep
  • People experience better sleep during the new moon and worse sleep during a full moon, a study found.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      Did you know that people sllep vetter during the new moon than the ful moon
  • Cats sleep for 70% of their lives.
  • Lack of sleep can cause weight gain of 2 pounds (0.9 kg) in under a week.
    • lobo5879
      lobo5879 on 04 Nov 14
       
      did you know that when you sleep a lot you can gain pounds in a week you can gain 2 pounds in a week
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