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Contents contributed and discussions participated by sirgabrial

sirgabrial

Thumbs up for 3D bone printer - health - 07 March 2009 - New Scientist - 0 views

  • Thumbs up for 3D bone printer
  • EXACT replicas of a man's thumb bones have been made for the first time using a 3D printer. The breakthrough paves the way for surgeons to replace damaged or diseased bones with identical copies built from the patients' own cells.
  • Weinand "grew" his replacement bones on the backs of laboratory mice, in the same way that Jay Vacanti of Massachusetts General Hospital famously grew a human ear from human cartilage cells back in 1997.
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  • Firstly, you need a 3D image of the bone you want to copy. If the bone has been lost or destroyed, you can make a mirror image of its surviving twin.
  • several steps
  • This image is then fed into a 3D inkjet printer, which deposits thin layers of a pre-selected material on top of one another until a 3D object materialises.
  • Weinand loaded the printer with tricalcium phosphate and a type of polylactic acid - natural structural materials found in the human body. The resulting bone "scaffolds" contained thousands of tiny pores into which bone cells could settle, grow and eventually displace the biodegradable scaffold altogether.
  • The team extracted CD117 cells from bone marrow left over after hip-replacement operations.
  • CD117 cells grow into primordial bone cells called osteoblasts, which the team syringed onto the bone scaffolds in a gel designed to support and nourish them
  • Finally, the scaffolds were sewn under the skin on the backs of mice where they grew for up to 15 weeks, until the scaffold had changed into human bone
  • Finnish team
  • reconstructed a man's jawbone
  • on a "scaffold" left for nine months in his abdomen. In that case, the stem cells came from the patient's own fat cells.
sirgabrial

Caffeine Linked To Hallucinations - 0 views

  • Caffeine Linked To Hallucinations
  • Researchers in the UK found that people who ingest a lot of caffeine, for instance by drinking lots of coffee, tea, and caffeinated energy drinks, are more likely to report experiencing hallucinations, including hearing voices and seeing things and people that are not there.
  • The research, which was funded by the UK's Economic and Social Research Council and the Medical Research Council, was done by scientists at Durham University, and is published as an academic paper in the journal Personality and Individual Differences.
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  • Defined as consuming more than the equivalent of seven cups of coffee a day, a high caffeine user was three times more likely to have heard a person speak when there was nobody there, compared to low caffeine users (those who had less than the equivalent of one cup of coffee a day),
  • 200 students
  • One possible explanation, said the authors, was that caffeine amplifies the effects of stress, by boosting the release of the stress hormone cortisol.
    • sirgabrial
       
      good scientist cause he said to be cautious about the results.
  • Readers should note that this study merely showed a link between caffeine intake and propensity to hallucinate in a group of students: it did not establish the direction of the relationship,
sirgabrial

PETA Kills Animals | PetaKillsAnimals.com - 0 views

  • Exclusive: PETA Killed More than 90% of the Animals in its Care in 2007
  • killed more than 90 percent of the adoptable animals in its care during 2007. 
  • Last year, PETA wrangled with the Virginia government for nine months before its 2006 records were finally made public.
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  • Virginia's public records law,
  • In comparison, the Virginia Beach SPCA, right down the road from PETA’s Norfolk headquarters, managed to adopt out almost 70% of the animals in its care last year. And it did it on a relative shoestring budget.
  • the group has put down over 19,200 dogs, cats, puppies, and kittens. While it's possible that some of these animals were too broken or sick to be rehabilitated, humane societies in Virginia managed to save an average of nearly 65 percent of their animals in 2007. PETA found adoptive homes for less than 1 percent.
sirgabrial

Islamic Scholar Suggests Using Ethanol-Powered Vehicles May Be a Sin - Green Car Reports - 0 views

  • Islamic Scholar Suggests Using Ethanol-Powered Vehicles May Be a Sin
    • sirgabrial
       
      ethanol is kinda on the back burner to try and find more effecient mehtods for fuel.
  • It is based on the part of Islamic law derived from a statement by the prophet in which dealing with alcohol in any form--including purchase, sale, transport, consumption, and manufacture--is strictly prohibited.
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  • The opinion comes from Sheikh Mohamed al-Najimi, of the Islamic Jurisprudence Academy in Saudi Arabia.
  • the statement was not a fatwa but simply his own opinion.
  • He noted that any ban would extend beyond Islamic countries to cover observant Muslims in other countries. This might include tourists, students abroad, and other groups.
sirgabrial

Attorney General Signals Shift In Marijuana Policy : NPR - 0 views

  • Attorney General Signals Shift In Marijuana Policy
  • Attorney General Eric Holder signaled a change in medical marijuana policy Wednesday, saying federal agents will target marijuana distributors only when they violate both federal and state law.
  • That would be a departure from the Bush administration, which targeted medical marijuana dispensaries in California even if they complied with that state's law.
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  • But he was quick to add that law enforcement officers will target anyone who tries to "use medical marijuana laws as a shield" for illegal activity.
sirgabrial

Are Romantic Movies Bad For You? - TIME - 0 views

  • Are Romantic Movies Bad For You?
  • In the celluloid world of romantic comedies, shy but decent men get the girl, arguments set up sweet reconciliations, and couples separated by tragedy are always reunited through improbable coincidence.
  • But now researchers are beginning to ask whether the make-believe world projected in "rom-coms" might actually be preventing true love in real life.
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  • Heriot Watt University's
  • Family and Personal Relationships Laboratory in Edinburgh
  • 40 Hollywood romantic comedies released between 1995-2005
  • They found that problems typically reported by couples in relationship counseling at their counseling center reflect misconceptions about love and romance depicted in Hollywood films.
  • if your partner truly loves you they'd know what you need without you communicating it,
  • that your soul mate is predestined.
  • watched a David Lynch drama.
  • Serendipity,
  • violent movies
  • be cautious about watching too many romantic comedies
  • needed source of hope and inspiration for the unattached.
sirgabrial

The Truth About Diet Soda on Yahoo! Health - 0 views

  • The Truth About Diet Soda
  • cut 450 calories a day out of your life
  • nearly a pound of fat loss a week!
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  • University of North Carolina
  • Americans today drink about 192 gallons of liquid a year—or about 2 liters a day. To put it into perspective, this is nearly twice as many calories as we did 30 years ago. 
  • consuming sugary-tasting beverages--even if they're artificially sweetened--may lead to a high preference for sweetness overall. That means sweeter (and more caloric) cereal, bread, dessert--everything.
  • forces out the healthy beverages you need. 
  • 100 percent nutrition-free
  • Aspartame is 180 times sweeter than sugar
  • brain tumors and lymphoma in rodents.
  • The FDA maintains that the sweetener is safe, but reported side effects include dizziness, headaches, diarrhea, memory loss, and mood changes.
sirgabrial

12 Health Fads That Never Made It - Family Health Guide - 0 views

  • Bee venom therapists apply bee venom to specific points on the surface of the body.
  • The practice involved swallowing beef tapeworm eggs and then taking a medicine to kill the tapeworm after reaching your target weight.
  • A number of health and beauty products marketed by Japanese firms claimed to contain pig placenta or ‘afterbirth’ as the active ingredient.
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  • A long hollow tapering cone of muslin coated with wax is inserted into the ear and lit to create a vacuum.
  • a single breath of air contained more oxygen than a bottle of oxygenated water.
sirgabrial

The Michigan Medical Marijuana Act | Michigan Medical Marijuana Association | News and ... - 0 views

  • The Michigan Medical Marijuana Act
  • This act shall be known and may be cited as the Michigan Medical Marihuana Act.
  • Modern medical research
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  • 99 out of every 100 marihuana arrests in the United States are made under state law
  • Although federal law currently prohibits any use of marihuana except under very limited circumstances, states are not required to enforce federal law or prosecute people for engaging in activities prohibited by federal law.
  • Debilitating medical condition
  • Cancer, glaucoma, positive status for human immunodeficiency virus, acquired immune deficiency syndrome, hepatitis C, amyotrophic lateral sclerosis, Crohn's disease, agitation of Alzheimer's disease, nail patella, or the treatment of these conditions.
  • "Medical use" means the acquisition, possession, cultivation, manufacture, use, internal possession, delivery, transfer, or transportation of marihuana or paraphernalia relating to the administration of marihuana to treat or alleviate a registered qualifying patient's debilitating medical condition or symptoms associated with the debilitating medical condition.
  • Usable marihuana
  • primary caregiver
  • 2.5 ounces of usable marihuana
  • primary caregiver will be allowed under state law to cultivate marihuana for the qualifying patient, 12 marihuana plants kept in an enclosed, locked facility; and
  • shall not be seized or forfeited.
sirgabrial

Inaugural Donations to Be Listed Online - washingtonpost.com - 0 views

  • Inaugural Donations to Be Listed Online
  • The Presidential Inaugural Committee has raised almost $10 million so far to cover the costs of putting on a four-day fete that may draw the biggest crowd ever for an inauguration, casting the fundraising as ground-breaking in its restrictions and transparency.
  • President Bush's last inaugural committee raised a record $42.8 million for a three-day celebration that included fireworks and nine inaugural balls.
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  • limited contributions, following the example of his campaign, banning contributions from corporations, political action committees, registered lobbyists, foreigners and registered foreign agents.
  • The public will be able to fully track donations from those giving $200 or more toward the Jan. 18-21 event
  • http://www.pic2009.org/donors,
  • donation amount, and the contributor's name, home town and employer.
sirgabrial

Woman 'pregnant' with monkey convicted of smuggling - CNN.com - 0 views

  • Woman 'pregnant' with monkey convicted of smuggling
  • A Washington woman who hid a sedated monkey under her blouse on a flight from Thailand was convicted of violating wildlife laws for smuggling the monkey into the United States, prosecutors said Tuesday.
  • Gypsy Lawson, 28, and her mother, Fran Ogren, 56, were convicted of smuggling and conspiracy to smuggle the monkey in violation of the Endangered Species Act and other federal laws.
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  • Bangkok, Thailand
  • Los Angeles, California
  • Permits are required
    • sirgabrial
       
      What do you think the reason are for being able to transport a monkey?
  • research, enhancement and conservation purposes
  • Rhesus monkeys are known to carry viruses and parasites that can be transmitted to humans
  • Authorities found journals and handwritten notes describing the mother and daughter's attempts to find a monkey small enough to smuggle back to the United States.
sirgabrial

White House, Democrats reach deal on $15 billion auto aid | Reuters - 0 views

  • White House, Democrats reach deal on $15 billion auto aid
  • Democratic leaders and the White House reached a deal to provide billions of dollars in relief to the ailing U.S. auto industry, a senior congressional aide told Reuters on Friday.
  • The package, which Democratic leaders hope to win passage of next week and send to President George W. Bush, totals between $15 billion and $17 billion, the aide said, speaking on condition of anonymity.
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  • $34 billion requested this week by General Motors, Ford Motor, and Chrysler,
sirgabrial

Apple Blocking iTunes Competition for iPhone? - HotHardware - 0 views

  • Apple Blocking iTunes Competition for iPhone?
  • Rivals of Apple's iTunes store and technology rights groups are speaking out.
  • They believe Apple may be unfairly blocking rival software makers from selling music on the iPhone and new iPod Touch.
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  • Currently, four out of every five songs purchased on the Internet come from the iTunes store, according to a release from Reuters. 
  • consumers should be able to switch to Nokia, Blackberry In Motion Ltd or other MP3 players without having to dump their entire music library.
  • The iPhone and iPod Touch both use a new version of an Apple file format known as iTunesDB.
  • order for software to sync with an iPod, iTunesDB must be used.
sirgabrial

Top 10 Useless Limbs (and Other Vestigial Organs) | LiveScience - 0 views

  • Erector Pili and Body Hair
  • Wisdom Teeth in Humans
  • Hind Leg Bones in Whales
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  • The Sexual Organs of Dandelions
  • Fake Sex in Virgin Whiptail Lizards (Vestigial Behavior)
  • Male Breast Tissue and Nipples
  • The Blind Fish Astyanax Mexicanus
  • The Wings on Flightless Birds
  • The Human Appendix
  • The Human Tailbone (Coccyx)
  • 100 million years the only vertebrates on Earth were water-dwelling creatures, with no arms or legs
  • its main function is to help digest a largely herbivorous diet.
  • left of the tail
  • The pale fish has eyes, but as it is developing in the egg, the eyes begin to degenerate, and the fish is born with a collapsed remnant of an eye covered by flap of skin
  • give an animal a larger appearance that might scare off potential enemies and a coat that is thicker and warmer.
  • reproduce without fertilization
  • As our ancestors were learning to walk upright, their tail became useless, and it slowly disappeared.
  • kiwi, and the kakapo
  • dental hygiene.
  • used for balance during running
  • courtship displays
sirgabrial

Spam gets 1 response per 12,500,000 emails | News | TechRadar UK - 0 views

  • Spam gets 1 response per 12,500,000 emails
  • A new study details how spammers – the bane of our email inboxes – still make pots of money, despite only receiving a response to one in every 12,500,000 emails they spam out
  • team of seven
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  • University of California, Berkeley and UC, San Diego
  • Storm network, which uses hijacked home PCs to relay much of the junk email
  • "The best way to measure spam is to be a spammer,"
  • managed to control 75,869 hijacked machines to conduct their own fake spam campaigns.
  • 'proxy bots'
  • two of the most popular ploys currently used by spammers
  • firstly offering a fake pharmacy site and, secondly, offering a herbal Viagra-style remedy to boost libido.
  • "After 26 days, and almost 350 million email messages, only 28 sales resulted,"
  • $7,000 (£4,430) a day
  • $3.5m (£2.21m) over a year.
sirgabrial

ABC News: Food Rules: Labels Must Now Give Origin - 0 views

shared by sirgabrial on 06 Dec 08 - Cached
  • Foods produced in the United States but packed in Mexico can still be labeled "product of USA."
  • hamburger meat contains ground beef from the U.S. and another country
  • what percentage
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  • salad mixes
  • adds spices
sirgabrial

Phoenix Lander: Good Night, Sweet Phoenix - 0 views

  • Five months ago, it landed on the Martian surface — and into our hearts. It gave us soil analysis data, photos of the sky from the red planet, and even hope of extraterrestrial life. Now, with its power deteriorating, its sunlight exposure shrinking, and Martian temperatures dropping to almost -100°C, the Phoenix lander's time may be up. Project manager Barry Goldstein admitted "we're towards the end," and Phoenix even bid us a fond goodbye on its Twitter page. But that's the charm of robots; they never truly die.
sirgabrial

Fresh Genes Needed to Save Chicken Industry | Wired Science from Wired.com - 0 views

  • Fresh Genes Needed to Save Chicken Industry
  • The first analysis of genetic diversity in a modern agricultural commodity has returned some disturbing news: Market-driven chicken farming has produced a race of genetically homogeneous fowl in dire need of new blood.
  • Industrial chickens, bred to grow big and fast, have lost about half of the genetic variation found in their wild counterparts. The precise role of each lost variant isn't known, but many likely affect resistance to disease.
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  • "New diseases, or mutations of old ones, occur all the time. Nature overcomes those new challenges by creating new defenses from existing genetic variability," said Purdue University animal geneticist Bill Muir
  • three breeds
  • the White Leghorn, Rhode Island Red and Indian Game.
  • breeding populations are kept small
  • isolated
  • one million birds an hour
  • $26-billion industry
  • 75 billion eggs each year in the United States alone
sirgabrial

More Children on Drugs Than Ever: Chronic Prescriptions Increase Dramatically - 0 views

  • More Children on Drugs Than Ever: Chronic Prescriptions Increase Dramatically
  • he number of type 2 diabetes medications prescribed for kids and adolescents more than doubled from 2002 to 2005
  • asthma medication prescriptions for children increased 46.5%
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  • ADHD medication prescriptions were up over 40%
  • girls
  • mixed messages
  • Today`s kids are already carrying a heavy body burden from pollutants in the air, water, household products and food additives.
  • The data used for the study came from prescription claims from over three and a half million children aged 5 to 19, and did not try to link obesity and chronic medication use.
  • greater awareness of health issues
  • more screening of children,
  • children`s food choices
  • poor nutrition
  • sedentary lifestyle
sirgabrial

AP Wire News - nvdaily.com - 0 views

  • No hidden white bias seen in presidential race
  • no evidence of the so-called Bradley effect
  • oppose a black politician mislead pollsters about whom they will vote for.
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  • national and state pre-election polls were generally accurate in reflecting voters' preferences in the presidential contest.
  • The phenomenon is named after former Los Angeles Mayor Tom Bradley, an African-American who in 1982 lost the race for California governor after leading in the polls.
  • black candidates facing white opponents had comfortable leads in polls, only to lose or narrowly win the elections.
  • Whites nationally preferred McCain by 12 percentage points, while 95 percent of blacks backed Obama, according to exit polls.
  • Seven percent of whites said race was important in choosing a candidate, and they backed the Republican 2-1.
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