Archive: 08/11/2008
Southern Ocean seals dive deep for climate data
(PhysOrg.com) -- Elephant seals are helping scientists overcome a critical blind-spot in their ability to detect change in Southern Ocean circulation and sea ice production and its influence on global climate.
Space & Earth / Earth Sciences
Aug 11, 2008 |
5 / 5 (3) |
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New evidence implicates humans in prehistoric animal extinctions
Research led by UK and Australian scientists sheds new light on the role that our ancestors played in the extinction of Australia's prehistoric animals. The study, published this week in the journal Proceedings of ...
Other Sciences / Archaeology & Fossils
Aug 11, 2008 |
3.7 / 5 (21) |
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Actions of individuals key to saving biodiversity-and ourselves
Even if you don't like the outdoors, you're probably pretty fond of air, clean water and food. That makes you a fan of biodiversity, because those essentials for life-human and otherwise-are maintained as a direct result ...
Biology /
Aug 11, 2008 |
4.1 / 5 (9) |
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Climate change caused widespread tree death in California mountain range
Warmer temperatures and longer dry spells have killed thousands of trees and shrubs in a Southern California mountain range, pushing the plants' habitat an average of 213 feet up the mountain over the past 30 years, a UC ...
Aug 11, 2008 |
3 / 5 (21) |
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Microbes, by latitudes and altitudes, shed new light on life's diversity
Microbial biologists, including the University of Oregon's Jessica L. Green, may not have Jimmy Buffett's music from 1977 in mind, but they are changing attitudes about evolutionary diversity on Earth, from ...
Biology /
Aug 11, 2008 |
4.6 / 5 (8) |
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Study of Olympic athletes shows that pride and shame are universal and innate expressions
The victory stance of a gold medalist and the slumped shoulders of a non-finalist are innate and biological rather than learned responses to success and failure, according to a University of British Columbia study using cross-cultural ...
Medicine & Health / Psychology & Psychiatry
Aug 11, 2008 |
4 / 5 (2) |
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New report details historic mass extinction of amphibians
Amphibians, reigning survivors of past mass extinctions, are sending a clear, unequivocal signal that something is wrong, as their extinction rates rise to unprecedented levels, according to a paper published ...
Biology /
Aug 11, 2008 |
4.4 / 5 (19) |
1
Designer RNA fights high cholesterol, researchers find
Small, specially designed bits of ribonucleic acid (RNA) can interfere with cholesterol metabolism, reducing harmful cholesterol by two-thirds in pre-clinical tests, according to a new study by researchers at UT Southwestern ...
Aug 11, 2008 |
5 / 5 (10) |
1
Gene's newly explained effect on height may change tumor disorder treatment
A mutation that causes a childhood tumor syndrome also impairs growth hormone secretion, researchers at Washington University School of Medicine in St. Louis have found.
Aug 11, 2008 |
5 / 5 (2) |
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Old growth giants limited by water-pulling ability
The Douglas-fir, state tree of Oregon, towering king of old-growth forests and one of the tallest tree species on Earth, finally stops growing taller because it just can't pull water any higher, a new study concludes.
Biology /
Aug 11, 2008 |
4.9 / 5 (14) |
1
Bugs put the heat in chili peppers
If you're a fan of habañero salsa or like to order Thai food spiced to five stars, you owe a lot to bugs, both the crawling kind and ones you can see only with a microscope. New research shows they are the ...
Biology /
Aug 11, 2008 |
4.7 / 5 (30) |
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Physical frailty may be linked to Alzheimer's disease
Physical frailty, which is common in older persons, may be related to Alzheimer's disease pathology, according to a study published in the August 12, 2008, issue of Neurology, the medical journal of the American Academy of Neu ...
Aug 11, 2008 |
3 / 5 (1) |
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New insight into most common forebrain malformation
St. Jude Children's Research Hospital scientists have identified one of the molecular mechanisms underlying the genetic brain malformation called holoprosencephaly (HPE). The findings not only yield insights into the most ...
Aug 11, 2008 |
5 / 5 (1) |
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If a street tree falls... what does it take to make sound policy?
There's little debate that, when a tree falls near a city street, it makes a sound. But other questions are more difficult to answer: Who is affected by the falling tree and how? Who is liable for the damage? And who is responsible ...
Aug 11, 2008 |
not rated yet |
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Aspirin, acid blocker a-day keeps GI bleeding
For patients with clogged heart arteries who take long-term, low-dose aspirin to prevent a cardiac event, adding a stomach acid-blocking drug to their daily routine has been shown to reduce their risk for upper gastrointestinal ...
Aug 11, 2008 |
4.2 / 5 (5) |
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