New evidence implicates humans in prehistoric animal extinctions
Other Sciences / Archaeology & Fossils
Aug 11, 2008 |
3.7 / 5 (21) |
0
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 ...
'Anti-noise' silences wind turbines
Aug 11, 2008 |
4.9 / 5 (15) |
0
If wind energy converters are located anywhere near a residential area, they must never become too noisy even in high winds. Most such power units try to go easy on their neighbors' ears, but even the most ...
Old growth giants limited by water-pulling ability
Biology /
Aug 11, 2008 |
4.9 / 5 (14) |
1
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.
Climate change caused widespread tree death in California mountain range
Aug 11, 2008 |
3 / 5 (21) |
0
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 ...
New bacterial species found in human mouth
Biology /
Aug 11, 2008 |
4.2 / 5 (15) |
4
Scientists have discovered a new species of bacteria in the mouth. The finding could help scientists to understand tooth decay and gum disease and may lead to better treatments, according to research published in the August ...
Research helps to unlock key to Australian plate movement
Space & Earth / Earth Sciences
Aug 11, 2008 |
4.4 / 5 (14) |
0
(PhysOrg.com) -- New UQ volcano research is helping to unlock the mystery surrounding one of the world's most important tectonic events.
Lack of Energy in Old Age Might Not Just Be Normal Part of Aging
Aug 11, 2008 |
4.7 / 5 (13) |
0
"Old and tired" is such a common phrase, it’s no surprise that a new study in the Journal of Gerontology has found that almost 1 in 5 senior citizens report they have so little energy that they spend most ...
A Flash of Insight: LCROSS Mission Update
Space & Earth / Space Exploration
Aug 11, 2008 |
4 / 5 (15) |
2
There are places on the Moon where the sun hasn't shined for millions of years. Dark polar craters too deep for sunlight to penetrate are luna incognita, the realm of the unknown, and in their inky depths, ...
Designer RNA fights high cholesterol, researchers find
Aug 11, 2008 |
5 / 5 (10) |
1
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 ...
Genes may make some people more prone to anxiety
Aug 11, 2008 |
3.9 / 5 (12) |
1
Inborn differences may help explain why trauma gives some people bad memories and others the nightmare of post-traumatic stress. Scientists in Germany and the United States have reported evidence linking genes to anxious ...
Study shows that laboratory rats calculate confidence to make decisions
Aug 11, 2008 |
4.8 / 5 (9) |
3
It has probably happened to everyone at one time or another. You're driving to a restaurant for the very first time. At a crossroads, you make a turn. You drive for several minutes, and then several minutes more. Nothing ...
Archaeological excavations uncover Roman temple in Zippori (Sepphoris)
Other Sciences / Archaeology & Fossils
Aug 11, 2008 |
4.2 / 5 (9) |
0
Ruins of a Roman temple from the second century CE have recently been unearthed in the Zippori National Park in Israel. Above the temple are foundations of a church from the Byzantine period. The excavations, ...
Obesity genes revealed
Aug 11, 2008 |
4.6 / 5 (8) |
0
A study of 228 women has revealed genetic variants responsible for body shape. Based on work in the fruit fly Drosophila melanogaster, research published today in the open access journal BMC Genetics identifies natural variat ...
Microbes, by latitudes and altitudes, shed new light on life's diversity
Biology /
Aug 11, 2008 |
4.6 / 5 (8) |
0
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 ...
Actions of individuals key to saving biodiversity-and ourselves
Biology /
Aug 11, 2008 |
4.1 / 5 (9) |
0
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 ...
