Plants have an ambivalent relationship with light. They need it to live, but too much light leads to the increased production of high-energy chemical intermediates that can injure or kill the plant.
Bio & Medicine
May 12, 2008
0
138
Why do parasites harm their hosts? Classic evolutionary theory predicts that parasites become more virulent because they must transmit themselves between hosts, yet scientists have found little data to support this idea, ...
May 12, 2008
2
122
For animals that live in social groups, and that includes humans, blindly following a leader could place them in danger. To avoid this, animals have developed simple but effective behaviour to follow where at least a few ...
May 12, 2008
0
226
International Space Station crews soon will have a new water reclamation system that will recycle wastewater, allowing up to six crew members to live aboard the orbiting laboratory.
Space Exploration
May 12, 2008
0
108
Fruit flies are dramatically different from humans not in their number of genes, but in the number of protein interactions in their bodies, according to scientists who have developed a new way of estimating the total number ...
May 12, 2008
0
106
Former British colonies are just as likely to suffer from bribery and sleaze as any other country according to an international study.
Other
May 12, 2008
1
111
International scientists have used flowing water to simulate a black hole, testing Stephen Hawking's theory that black holes are not black after all.
General Physics
May 12, 2008
7
353
AMD today introduced the industry’s first energy-efficient x86 server processors with four processing cores and an integrated memory controller all in a low 55-watt ACP thermal envelope. Blade and rack systems based on five ...
Hardware
May 12, 2008
0
127
The sea floor off the coast of Eureka, California, is home to a diverse assemblage of microbes that scavenge methane from cold deep-sea vents. Researchers at the California Institute of Technology have developed a technique ...
May 12, 2008
0
105
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory and collaborators at Stony Brook University, Johns Hopkins University, and the National Institute of Standards and Technology have discovered that ...
Condensed Matter
May 12, 2008
1
265
