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Marcy Withrow

Warrior Wasp With Giant Jaws Discovered | Predatory Wasps & New Species | Indonesia Exp... - 0 views

www.livescience.com/t-warrior-wasp-discovered.html

shared by Marcy Withrow on 28 Aug 11 - No Cached
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      Could this be from evolution? Will bigger jaws give them an advantage over other wasps??
  • The giant jaws may serve as both protection and a way to ensure males' genes get passed on to offspring, the researchers speculate
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      So it may be linked to "Survivor of the fittest" ? The wasp with bigger jaws gets picked by the female wasps. Or it could be protection.
    • Erin Nash
      Erin Nash on 29 Aug 11
       
      Sexual selection is definitely coming into play here. I wonder if they can even use them to protect themselves (since they are so large)
  • ...3 more annotations...
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      They assume this by another wasp species. The male protects the nest and mates with the females as they enter.
  • We don't know anything about the biology of these wasps."
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      A new species of wasp..
Erin Nash

Doodling May Draw Students into Science | Science Education & Student Learning | Drawin... - 1 views

www.livescience.com/oodling-science-education.html

shared by Erin Nash on 28 Aug 11 - No Cached
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      Some people are visual learners and can learn better through images..
  • drawing should be recognized alongside writing, reading and talking as a key element in science education.
    • Erin Nash
      Erin Nash on 29 Aug 11
       
      I wonder if we should be doing this in our Science Investigations class?
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      Drawing sometimes helps me see the whole situation and makes it easier to understand. I agree that this is a good tool for learning. 
    • Erin Nash
      Erin Nash on 29 Aug 11
       
      I can definitely understand that - I do have students do this often in Zoology. Is there any way to design a study around this?
  • ...8 more annotations...
  • teachers and students indicated that when students were asked to draw to explore and justify understandings in science, they were more motivated to learn.
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      Drawing is more hands-on than lecturing or doing worksheets out of a book. Plus, it helps to write something down cause you can remember it later.
  • students put wet hands on paper and were then challenged to represent what happened as the handprint faded using drawings involving particles. Teachers noted students were more engaged in class and performed better in their workbooks.
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      This reminds me more of a lab than actual drawing. How would you draw the particles?
    • Erin Nash
      Erin Nash on 29 Aug 11
       
      I wonder how they actually knew that the students learned better? How did they measure this?
  • "Drawing should act in service of learning, so it's important that drawing serves a key function and not become 'a coloring in pretty pictures' activity."
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      I agree, the drawing should be something you can learn from. not some busy work that teaches the student nothing. Therefore, the drawing method could be abused.
  • Many questions remain, such as whether one's skill at drawing influences how well you learn by it, and how teachers can use drawing in their classrooms
    • Marcy Withrow
      Marcy Withrow on 28 Aug 11
       
      This would be could to look into. I personally think though that a student can learn the best from how they picture it whether they are artistic or not I don't think would matter.
Marcy Withrow

Sex with Neanderthals Gave Humans Immunity Boost | Neanderthals & Denisovans | HLA Gene... - 0 views

www.livescience.com/als-immunity-boost-humans.html

shared by Marcy Withrow on 25 Aug 11 - No Cached
    • Marcy Withrow
      Marcy Withrow on 25 Aug 11
       
      This tells us wat percent of their genome is made up of Neanderthal or Denisovan.
    • Marcy Withrow
      Marcy Withrow on 25 Aug 11
       
      Just out of that one gene this is the percentages that these races got from the Neanderthals. 
    • Marcy Withrow
      Marcy Withrow on 25 Aug 11
       
      There were two other theories, but scientist are beginning to suggest this one.
Jessica Ball

Intestinal protein may have role in ADHD, other neurological disorders - 0 views

www.sciencedaily.com/...110811142816.htm

shared by Jessica Ball on 25 Aug 11 - No Cached
    • Jessica Ball
      Jessica Ball on 25 Aug 11
       
      Matthew's been having stomach pains the last few days. a doctor friend said perhaps it was a small ulcer in his intestines. He's getting it checked out tomorrow. Possible reason???
    • Jessica Ball
      Jessica Ball on 25 Aug 11
       
      My brother almost seems... like a hypochondriac sometimes. His stomach hurts, or he's sick. Is it for attention? Or do people with ADHD/Bipolar/slight Autism complain of ills often?
Jessica Ball

Evernote Web - 1 views

www.evernote.com/...view.jsp

shared by Jessica Ball on 25 Aug 11 - No Cached
    • Jessica Ball
      Jessica Ball on 25 Aug 11
       
      My brother has ADHD. I wonder if there have been kids misdiagnosed as children, and have been on meds ever since? does/ how does that affect them???
Erin Nash

Q&A: Preserving The Body's Bugs | The Scientist - 0 views

the-scientist.com/...qa-preserving-the-bodys-bugs

shared by Erin Nash on 25 Aug 11 - No Cached
    • Erin Nash
      Erin Nash on 25 Aug 11
       
      This is an interesting hypothesis. I have personally wondered why I see so many students with asthma, allergies, etc. I don't have any data to support it, but it seems as if these disorders are more common than they were in the past. I never considered that antibiotics could play a role.
  • Helicobacter pylori, which has been the dominant ancient organism of the human stomach since time immemorial, that it is disappearing. Helicobacter is becoming extinct. This is what has got me thinking in this area, because if Helicobacter can become extinct, so can other organisms.
    • Erin Nash
      Erin Nash on 25 Aug 11
       
      Again, I had no idea this was occurring. I do know that this bacteria is sometimes pinpointed as a cause of ulcers!
  • ...3 more annotations...
  • In Danish kids, the more courses of antibiotics they get, the more likely they are to get IBD. There are studies from Canada showing the same thing for asthma. More courses of antibiotics, more asthma.
    • Erin Nash
      Erin Nash on 25 Aug 11
       
      This makes sense to me because the antibiotic would be wiping out most of the bacteria in the intestine, so I can understand how it would be more likely that they could develop an intestinal disorder. I'm not sure how this relates to asthma? Are there also "good bacteria" that reside in the lungs?
    • Erin Nash
      Erin Nash on 25 Aug 11
       
      Ha! I've actually read an article about scientists using "feces" transplants to restore the good bacteria in the gut!
Erin Nash

Bacteria - Energy Producers of the Future? | LiveScience - 0 views

www.livescience.com/a-energy-producers-future.html

shared by Erin Nash on 23 Aug 11 - No Cached
    • Erin Nash
      Erin Nash on 23 Aug 11
       
      I wonder what type of bacteria they are using. Are these bacteria ones I could get to use in the lab? Where are they getting the waste water to experiment with?
Erin Nash

Declining Male Fertility Linked To Water Pollution - 1 views

www.sciencedaily.com/...090118200636.htm

science fertility sci_i research

shared by Erin Nash on 25 May 11 - Cached
  • Some of these are contained in medicines, including cancer treatments, pharmaceutical treatments, and pesticides used in agriculture. The research suggests that when they get into the water system, these chemicals may play a pivotal role in causing feminising effects in male fish
    • Erin Nash
      Erin Nash on 25 May 11
       
      Do these chemicals just cause these problems in vertebrates, like fish? Would it be possible to obtain chemicals like this, and test them on an invertebrate species?
  • Found in some industrial chemicals and the contraceptive pill,
    • Erin Nash
      Erin Nash on 25 May 11
       
      Birth control pills could cause this? How would that actually work? How could a birth control pill cause a male to change gender? What levels of the hormone are required to cause this gender change?
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