Scientists propose new hypothesis on the origin of life
Space & Earth / Earth Sciences
Sep 04, 2009 |
4.8 / 5 (39) |
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The Miller-Urey experiment, conducted by chemists Stanley Miller and Harold Urey in 1953, is the classic experiment on the origin of life. It established that the early Earth atmosphere, as they pictured it, ...
Humans spread out of Africa later
Other Sciences / Archaeology & Fossils
Sep 04, 2009 |
4.5 / 5 (18) |
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Modern humans spread out of Africa 20,000 years later than previously thought, according to new genetic research just published.
Molecular Decay of Enamel-Specific Gene in Toothless Mammals Supports Theory of Evolution
Sep 04, 2009 |
4.6 / 5 (17) |
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(PhysOrg.com) -- Biologists at the University of California, Riverside report new evidence for evolutionary change recorded in both the fossil record and the genomes (or genetic blueprints) of living organisms, ...
Spacecraft Could Save Earth from Asteroids
Space & Earth / Space Exploration
Sep 04, 2009 |
3.8 / 5 (17) |
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(PhysOrg.com) -- British space engineers working for a space company in Stevenage in England, have designed a "gravity tractor" spacecraft to deflect any asteroids threatening to collide with Earth. The announcement ...
Researchers explain the activity of black holes at the centre of galaxy clusters
Sep 04, 2009 |
3.9 / 5 (15) |
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(PhysOrg.com) -- Astronomers at the University of Bonn have clarified the connection between black holes at the centre of galaxy clusters and surrounding gas, which serves them as "food". The scientists have ...
Research reveals a broccoli boost for arteries
Sep 04, 2009 |
4.9 / 5 (11) |
3
(PhysOrg.com) -- New British Heart Foundation (BHF) research from Imperial College London may have revealed why vegetables are good for the heart. The findings suggest that a chemical found in vegetables such ...
Probing Question: Is homework bad for kids?
Other Sciences / Social Sciences
Sep 04, 2009 |
4.8 / 5 (8) |
2
Ask an 11-year-old whether homework is a bad thing, and you’ll likely be greeted with vigorous nodding and not a hint of ambiguity, but do grown-up experts agree? As with so many things, the answer is mixed.
Lasers generate underwater sound
Sep 04, 2009 |
4.5 / 5 (8) |
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Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new ...
Brown economists measure GDP growth from outer space
Sep 04, 2009 |
4.6 / 5 (7) |
2
Outer space offers a new perspective for measuring economic growth, according to new research by three Brown University economists. In a National Bureau of Economic Research working paper, J. Vernon Henderson, ...
New climate forceasting system to be created
Sep 04, 2009 |
2.9 / 5 (10) |
7
(AP) -- The World Climate Conference has approved the creation of a new climate forecasting system to help countries adapt to climate change and enable them to better prepare for natural disasters, officials said Friday.
Graphics chips speed up medical imaging
Sep 04, 2009 |
4.8 / 5 (5) |
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Beyond just jazzing up video games, one of the growing array of applications being found for the powerful graphics-oriented chips that Nvidia and Advanced Micro Devices sell is in speeding up medical imaging, which can be ...
Tiny flash drive is also durable
Sep 04, 2009 |
3 / 5 (8) |
6
Just the other day, my son was looking for his flash drive that is a requirement for all college freshmen. His mom was the one who found it due to the loud clanging noise coming from the automatic dryer. ...
Anticancer compound found in American mayapple
Sep 04, 2009 |
4.6 / 5 (5) |
0
A common weed called American mayapple may soon offer an alternative to an Asian cousin that's been harvested almost to extinction because of its anti-cancer properties. The near-extinct Asian plant, Podophyllyum emodi, produc ...
NY researchers breeding rare native ladybugs
Sep 04, 2009 |
4.6 / 5 (5) |
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(AP) -- A year after they launched a nationwide search for dwindling native ladybugs, New York researchers are breeding colonies of them from insects found by citizen scientists in Oregon and Colorado.
Two proteins enable skin cells to regenerate
Sep 04, 2009 |
5 / 5 (4) |
0
(PhysOrg.com) -- Nevermind facial masks and exfoliating scrubs, skin takes care of itself. Stem cells located within the skin actively generate differentiating cells that can ultimately form either the body ...
