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      June 1, 2011Biology

      Penguin Groups Use Physics to Avoid the Crush and Keep Warm

      With thousands of Emperor penguins ( Aptenodytes forsteri ) huddled close together for warmth on the ice sheets of Antarctica, there seems bound to be some competition for a toasty spot near the middle...
      July 23, 2013Evolution

      3-D Printed Jets Mimic Octopus Propulsion

      An octopus spends most of its time crawling around on the seafloor looking for dinner—and trying to avoid becoming it. But when it needs to make a quick move, it can switch into overdrive and jet away...
      October 3, 2012Evolution

      Super-Toxic Snake Venom Could Yield New Painkillers

      A bite from the black mamba snake ( Dendroaspis polylepis ) can kill an adult human within 20 minutes. But mixed in with that toxic venom is a new natural class of compound that could be used to help develop new painkillers.Named "mambalgins," these peptides block acute and inflammatory pain in mice as well as morphine does, according to a new study.Researchers, led by Sylvie Diochot, of the Institute of Molecular and Cellular Pharmacology at Nice University, Sophia Antipolis in France, purified the peptides from the venom and profiled the compounds' structure...
      April 15, 2010Health

      Health insurers make big bucks from Big Macs

      Like most businesses, health and life insurance companies are out to make a buck, and one way they augment their income is by investing in other industries.
      October 1, 2009Health

      Breast cancer deaths drop over past two decades

      The number of women who die from breast cancer has decreased slowly (about 2 percent per year) but steadily since 1990, according to a new report by the American Cancer Society (ACS), released to mark the start of Breast Cancer Awareness Month...
      September 3, 2009Health

      Body clock linked to weight gain

      That midnight trip to the fridge might be doing double damage. Most people know by now that it's poor dietary form to eat right before bed, but the body's natural circadian rhythm and related rest cycles might also have more to do with weight gain than previously thought, according to a study published online today in the journal Obesity ...
      December 16, 2011Health

      Malaria Deaths Falling Slowly, WHO Report Says

      In the long fight against malaria, progress finally seems to be coming, if incrementally. The number of people who died from malaria in 2010 fell 5 percent from the previous year and has dropped 26 percent from 2000 levels, according to a new World Health Organization (WHO) report.The decline might seem modest given the $2 billion that has been given to fight the disease in the past year...
      April 22, 2012Health

      Brain Freeze Might Help Solve Migraine Mysteries

      Eager eaters know that gulping a Slurpee or inhaling a sundae can cause that brief seizing sensation known in the not-so-technical literature as "brain freeze" or "ice cream headache."Just what causes this common cautionary condition has remained mysterious to sufferers and scientists alike (not that the two categories need remain mutually exclusive).A new study, presented April 22 at the Experimental Biology 2012 annual meeting in San Diego, proposes a probable answer...
      January 15, 2009Environment

      Honey, we shrunk the food -- really, really fast

      Policymakers may not intend to keep us trim when they're pondering how to manage fisheries and other wild food resources. But a new study indicates that our current food-harvesting practices are making the stuff we eat smaller—very quickly...
      March 24, 2009The Sciences

      Green hair bleach?

      The new blond is bound to be green—that is if chemists at a Japanese beauty company have their way. New research, presented today at the American Chemical Society meeting in Salt Lake City, has uncovered an enzyme that can remove dark pigment from hair...
      April 2, 2009Mind & Brain

      April Fools' Day answers

      As several readers correctly answered in response to yesterday's April Fools Day blog quiz, the one real story was (drum roll…) the mind-reading robot!
      April 9, 2009Health

      FDA to review risky old medical devices

      Twenty-five high-risk medical devices that hit the market more than 33 years ago – and are still in use today – were never subjected to scientific scrutiny by the U.S.
      June 19, 2009Environment

      Wolverine arrives in Colorado, first in 90 years

      A lone male wolverine arrived in northern Colorado earlier this month, making him the first confirmed wolverine in the state since 1919.

      In December, conservation biologists had outfitted the young wolverine, which is part of a reintroduction program farther north, with a tracking collar and watched him make the 500-mile (805-kilometer) journey from the Grand Teton National Park in Wyoming, crossing rugged landscapes and even busy Interstate-80, reports the Denver Post ...
      June 29, 2009The Sciences

      Duckbilled dinosaurs dined with an unusual bite

      Duckbilled dinosaurs—hadrosaurs, the most common plant-eaters of their time—chewed their food differently from any animal alive today.

      Using an electron scanning microscope, researchers were able to examine minute scratches on individual dino teeth made by daily wear and tear 65 million to 68 million years ago to test competing theories about how the creatures may have munched...
      June 12, 2009Health

      FDA likely to regulate tobacco

      After winning sizable majorities in both House and Senate this week, a new bill would allow the U.S. Food and Drug Administration (FDA) to regulate tobacco.
      July 8, 2009The Sciences

      Swans are dying by the dozen in Ireland, cause unknown

      Swans, ducks and fish have been dying in droves at a popular Irish wildlife sanctuary, reports ProMed Mail (which keeps tabs on mass animal deaths as a means to provide an alert for possible human health threats)...
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