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Swinging Arms Save Energy[The
following is an exact transcript of this podcast.]People swing their arms when they walk. But did you ever wonder why? Does it help us keep our balance? Is it a relic from our evolutionary past? Is it because we look like doofuses if we don’t? Now, a report in the Royal Society journal Biological Sciences suggests that we swing our arms while walking, in part, because it takes less energy than it would to stop. [More]
Scientific American Monday, August 03, 2009Black kids aren't getting enough vitamin D, study saysToo much television and too little milk means that black children are not
getting enough of vitamin D, a new study says. Known as the “sunshine vitamin” because it can also be obtained through sun exposure, Vitamin D can stave off rickets, improve bone
health, and possibly prevent colds, heart disease and diabetes. In the 1930s, when the U.S. started putting Vitamin D into milk, rickets -- a softening of bones that can lead to deformities -- was thought to have been eradicated. But doctors
around the country recently have started seeing a spate of cases in African
american and Muslim communities. “We wanted to see how big a problem Vitamin D deficiency is,” says Michal Melamed of the Albert Einstein College of Medicine. [More]
Scientific American Monday, August 03, 2009Urban water ecology at the ESA annual meeting(Ecological Society of America) Increasingly, human urban development overlaps with habitat for wild animals and plants, creating environments that degrade natural landscapes. But people, animals and plants all have in common the need for healthy, sustainable freshwater ecosystems. In a series of presentations at the Ecological Society of America's Annual Meeting, ecologists present research results that guide efforts to balance an increasingly urbanized society with the need to conserve and protect water and aquatic ecosystems.
Eurekalert.org Monday, August 03, 2009Dysport proves safe, effective anti-wrinkle treatment, UT Southwestern plastic surgeons findThe new anti-wrinkle facial filler Dysport, which could be used as an alternative to Botox, noticeably reduced frown lines between the eyes, according to users and independent reviewers in a study involving plastic surgeons at UT Southwestern
medical Center.
Eurekalert.org Monday, August 03, 2009New national study finds increase in P.E. class-related injuriesA recent study conducted by the Center for Injury Research and Policy of the Research Institute at Nationwide Children's Hospital, found that the
number of P.E.-related injuries to elementary, middle and high
school students in the United States increased 150 percent between 1997 and 2007.
Eurekalert.org Monday, August 03, 2009Millions of US children low in vitamin DSeven out of 10 US children have low levels of vitamin D, raising their risk of bone and heart disease, according to a study of over 6,000 children by researchers at Albert Einstein College of Medicine of Yeshiva University.
Eurekalert.org Monday, August 03, 2009In the Baltic, a Seaweed Divided Against Itself Upsets an Underwater OrderSTOCKHOLM -- Something is happening in the Baltic Sea's underwater forests.
Washington Post Monday, August 03, 2009Science Digest: New HIV Strain Found in CameroonA new strain of the virus that causes AIDS has been discovered in a woman from the African nation of Cameroon.
Washington Post Monday, August 03, 2009Saturn, Jupiter and Uranus Wall Clock by WatchBuddy Timepieces (Slate Blue Frame) newly tagged ''science''Saturn, Jupiter and Uranus Wall Clock by WatchBuddy Timepieces (Slate Blue Frame)By WatchBuddy Timepieces Buy new: $19.95 First tagged "science" by Arcturus70 "Arcturus70"
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Amazon Monday, August 03, 2009Scientists find new strain of HIVGorillas are identified for the first time as a
source of HIV after tests in Paris on an infected woman from Cameroon.
BBC Monday, August 03, 2009 1 2 3 4 5
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