Scientists image 'magnetic semiconductors' on the nanoscale
Jul 27, 2006 |
4.3 / 5 (22) |
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In a first-of-its-kind achievement, scientists at the University of Iowa, the University of Illinois at Urbana-Champaign and Princeton University have directly imaged the magnetic interactions between two magnetic ...
Honeybee brain picks up on right scent
Biology /
Jul 27, 2006 |
4.6 / 5 (7) |
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A honeybee’s ability to smell scent appears to be linked to the right side of its brain, according to a new ANU study that could show how right and left ‘handedness’ evolved in other species.
Scientists discover evolutionary origin of fins, limbs
Jul 27, 2006 |
4.4 / 5 (18) |
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Performance on the dance floor may not always show it, but people are rarely born with two left feet. We have genes that instruct our arms and legs to grow in the right places and point in the right directions. They also ...
Honey helps problem wounds
Jul 27, 2006 |
4.8 / 5 (39) |
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A household remedy millennia old is being reinstated: honey helps the treatment of some wounds better than the most modern antibiotics. For several years now medical experts from the University of Bonn have been clocking ...
Shoot up and cool down: fighting global warming
Space & Earth / Earth Sciences
Jul 27, 2006 |
4 / 5 (18) |
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Injecting sulfur into the atmosphere to slow down global warming is worthy of serious consideration, according to Nobel laureate Paul Crutzen from the Max Planck Institute for Chemistry in Germany and the Scripps Institution ...
Tiny Chip Demonstrates Big Memory in Cosmos
Jul 27, 2006 |
2.7 / 5 (19) |
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A chemical alloy, used in everyday electronic items such as rewritable CDs and DVDs, serves as the source of a new computer chip which researchers hope will demonstrate non-volatile memory, or information storage retention ...
Fingertip Device Helps Computers Read Hand Gestures
Jul 27, 2006 |
4 / 5 (6) |
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With the tap of a single finger, computer users soon may be drawn deeper into the virtual world using a new device developed in the University at Buffalo's Virtual Reality Lab.
Archaeologists Hot on the Trail of Columbus' Sunken Ships
Other Sciences / Archaeology & Fossils
Jul 27, 2006 |
4.4 / 5 (5) |
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As luck would have it, time ran short, and the silt and mud in La Isabela Bay on the north coast of the Dominican Republic ran deep. Despite these setbacks, Indiana University archaeologists are confident they ...
Researchers watch brain in action
Jul 27, 2006 |
4.7 / 5 (15) |
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For the first time, scientists have been able to watch neurons within the brain of a living animal change in response to experience.
Nanotechnology enables low-dose treatment of atherosclerotic plaques
Nanotechnology / Bio & Medicine
Jul 27, 2006 |
4.1 / 5 (9) |
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In laboratory tests, one very low dose of a drug was enough to show an effect on notoriously tenacious artery-clogging plaques. What kind of drug is that potent?
Male mantids try to avoid sex cannibalism
Biology /
Jul 27, 2006 |
4.6 / 5 (7) |
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Female praying mantids are notorious for sexual cannibalism and U.S. researchers have determined male mantids try to avoid that fate.
Cosmic dust in terrestrial ice
Space & Earth / Earth Sciences
Jul 27, 2006 |
3.4 / 5 (8) |
0
For the last 30,000 years, our planet has been hit by a constant rain of cosmic dust particles. Scientists have reached this conclusion after investigating the amount of the helium isotope 3He in cosmic dust ...
UV radiation causes 60,000 deaths a year
Jul 27, 2006 |
2 / 5 (2) |
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The World Health Organization based in Switzerland estimates 60,000 people die each year from spending too much time in the sun.
Transmission congestion threatens to clog nation's power grid
Jul 27, 2006 |
4 / 5 (2) |
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Inadequate investment in the power grid transmission network remains the Achilles heel of the nation's electric system, an engineer who specializes in utility policy at the University of Illinois at Urbana-Champaign says.
Worker ants store fat for lean times
Biology /
Jul 27, 2006 |
3.7 / 5 (3) |
0
U.S. scientists found ants have the ability to store excess fat and pass it to colony members through lipid-rich oral secretions or unfertilized eggs.
