Scientists say early Americans arrived earlier
Other Sciences / Archaeology & Fossils
Mar 20, 2008 |
3.9 / 5 (14) |
0
A team led by two Texas A&M University anthropologists now believes the first Americans came to this country 1,000 to 2,000 years earlier than the 13,500 years ago previously thought, which could shift historic timelines.
Drug prevents dangerous tick diseases
Mar 20, 2008 |
4.5 / 5 (11) |
0
Lyme disease is the blight of countryside users but it may be prevented with a single injection, according to research published in the Journal of Medical Microbiology.
Team Finds Oldest Known Asteroids
Mar 20, 2008 |
4.2 / 5 (12) |
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Using visible and infrared data collected from telescopes on Hawaii’s Mauna Kea, a team of scientists, led by the University of Maryland’s Jessica Sunshine, have identified three asteroids that appear to be ...
Ancient reptile rises from Alberta oil sands
Other Sciences / Archaeology & Fossils
Mar 20, 2008 |
4.1 / 5 (12) |
0
One of the oldest and most complete plesiosaur fossils recovered in North America, and the oldest yet discovered from the Cretaceous Period, represents a new genus of the prehistoric aquatic predator according to University ...
Joslin researchers discover new effect for insulin
Mar 20, 2008 |
4.9 / 5 (9) |
0
Researchers at the Joslin Diabetes Center have shown that insulin has a previously unknown effect that plays a role in aging and lifespan, a finding that could ultimately provide a mechanism for gene manipulations that could ...
Mars salt deposit discovery points to a new place to hunt for life's ancient traces
Space & Earth / Space Exploration
Mar 20, 2008 |
4.7 / 5 (9) |
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Scientists using a Mars-orbiting camera designed and operated at Arizona State University's Mars Space Flight Facility have discovered the first evidence for deposits of chloride minerals - salts - in numerous ...
How humans make up for an 'inborn' vitamin C deficiency
Biology /
Mar 20, 2008 |
4.8 / 5 (8) |
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A new study appears to explain how humans, along with other higher primates, guinea pigs and fruit bats, get by with what some have called an “inborn metabolic error”: an inability to produce vitamin C from glucose.
Brains are hardwired to act according to the Golden Rule
Mar 20, 2008 |
3.5 / 5 (11) |
1
Wesley Autrey, a black construction worker, a Navy veteran and 55-year-old father of two, didn’t know the young man standing beside him. But when he had a seizure on the subway platform and toppled onto the tracks, Autrey ...
Most republicans think the US health care system is the best in the world; democrats disagree
Mar 20, 2008 |
4 / 5 (9) |
0
A recent survey by the Harvard School of Public Health (HSPH) and Harris Interactive, as part of their ongoing series, Debating Health: Election 2008, finds that Americans are generally split on the issue of whether the United ...
Chemists find important contributor to smog
Mar 20, 2008 |
4.5 / 5 (8) |
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Chemists at the University of California, San Diego have discovered that a chemical reaction in the atmosphere above major cities long assumed to be unimportant in urban air pollution is in fact a significant ...
Probing Question: Is cloned meat safe to eat?
Mar 20, 2008 |
3.5 / 5 (10) |
2
Picture the perfect steak. The first bite melts in your mouth, tender and dripping with flavor. You can barely keep chewing as your mind goes slack with joy. Yes, you could spend the rest of your life eating this same steak, ...
Researchers developing system to efficiently convert biomass to ethanol
Mar 20, 2008 |
4.6 / 5 (7) |
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Iowa State University researchers are developing an integrated system of thermochemical and catalytic technologies to efficiently produce ethanol from plant biomass.
Action replay of powerful stellar explosion
Mar 20, 2008 |
4.4 / 5 (7) |
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Astronomers have made the best ever determination of the power of a supernova explosion that was visible from Earth long ago. By observing the remnant of a supernova and a light echo from the initial outburst, ...
Study links dietary folate intake to genetic abnormalities in sperm
Mar 20, 2008 |
4.8 / 5 (6) |
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Healthy men who report lower levels of the nutrient folate in their diets have higher rates of chromosomal abnormalities in their sperm, according to a new study by researchers at the University of California, Berkeley, and ...
Using ground-penetrating radar to observe hidden underground water processes
Space & Earth / Earth Sciences
Mar 20, 2008 |
3.5 / 5 (8) |
0
To meet the needs of a growing population and to provide it with a higher quality of life, increasing pressures are being placed on the environment through the development of agriculture, industry, and infrastructures.
