Space sunshade might be feasible in global warming emergency
Space & Earth / Space Exploration
Nov 03, 2006 |
3.7 / 5 (75) |
0
The possibility that global warming will trigger abrupt climate change is something people might not want to think about. But University of Arizona astronomer Roger Angel thinks about it.
Ocean study predicts the collapse of all seafood fisheries by 2050
Nov 03, 2006 |
4.2 / 5 (42) |
0
All species of wild seafood will collapse within 50 years, according to a new study by an international team of ecologists and economists. Writing in the Nov. 3 issue of the journal Science, the researchers conclu ...
Beetle feet stick to their promises
Nanotechnology / Nanomaterials
Nov 03, 2006 |
4.4 / 5 (32) |
0
Mushroom-shaped microhairs are the secret of a new adhesive material which scientists at the Max Planck Institute for Metals Research in Stuttgart, Germany, have developed. Inspired by the soles of beetles' ...
Floating and spiky
Nov 03, 2006 |
4.6 / 5 (20) |
0
With the aid of complex computer simulations, scientists at the Max Planck Institute of Colloids and Interfaces in Potsdam and at the University of Heidelberg have discovered how the shape and distribution ...
Too little folate may risk colon cancer
Nov 03, 2006 |
4.6 / 5 (18) |
0
Canadian scientists say a mouse-based study suggests too little folate in the diet might increase the risk of colon cancer.
Researcher shows that DNA gets kinky easily at the nanoscale
Nanotechnology / Bio & Medicine
Nov 03, 2006 |
4.2 / 5 (18) |
0
Scientists have answered a long-standing molecular stumper regarding DNA: How can parts of such a rigid molecule bend and coil without requiring large amounts of force? According to a team of researchers from the United States ...
Stem cells engage in dialogue with cells that regulate their future
Biology /
Nov 03, 2006 |
4.9 / 5 (14) |
0
Dialogue, not a monologue, is the basis of all good communication. Stem cells are no exception. Recent University of Washington (UW) research has found an early indication of two-way cellular communication. ...
Salt could cool cores of advanced nuclear reactors
Nov 03, 2006 |
4 / 5 (12) |
1
The water in a conventional nuclear reactor cools the core, but a graduate student at the University of Missouri-Rolla says salt would be a better alternative in some advanced reactor designs.
Officials seek cause of reactor shutdown
Nov 03, 2006 |
2.9 / 5 (14) |
0
Authorities are investigating the cause of the nuclear reactor shutdown at Three Mile Island near Harrisburg, Pa., although no radiation leaked in the incident.
Sexual, reproductive health declining
Nov 03, 2006 |
3.7 / 5 (9) |
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The World Health Organization in Switzerland says inadequate attention to sexual and reproductive health has caused an increase in disabilities and death.
Teenagers know about condoms...so why don't they use them?
Nov 03, 2006 |
3.5 / 5 (6) |
0
Study reveals how stereotypes of how men and women should behave are frustrating global efforts to encourage safer sex.
Link identified between age, cardiovascular disease
Nov 03, 2006 |
3.8 / 5 (5) |
0
Researchers in the Linus Pauling Institute at Oregon State University have discovered a fundamental mechanism that causes aging blood vessels to lose their elasticity – a literal "hardening of the arteries" that is often ...
Europe warned of cocaine crisis
Nov 03, 2006 |
2.7 / 5 (7) |
0
The U.N. narcotics czar warns that Europe is headed toward a cocaine crisis as many governments there continue to be in denial of the problem.
Study: Social influence on teen sex global
Nov 03, 2006 |
2 / 5 (8) |
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Social pressures and perceptions that influence young people's sexual behavior are markedly similar around the world, London researchers said.
Scientists study worm for nicotine habit
Nov 03, 2006 |
3.5 / 5 (4) |
0
A tiny worm may provide big answers for modeling the genetics of nicotine dependence, said researchers at the University of Michigan.
