 Monarch butterflies help explain why parasites harm hosts May 14, 2008 | User rating: 4.8 / 5 after 6 vote(s)
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It’s a paradox that has confounded evolutionary biologists since Charles Darwin published On the Origin of Species in 1859: Since parasites depend on their hosts for survival, why do they harm them? | |
 Shrimps see beyond the rainbow May 14, 2008 | User rating: 4.6 / 5 after 25 vote(s)
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A Swiss marine biologist and an Australian quantum physicist have found that a species of shrimp from the Great Barrier Reef, Australia, can see a world invisible to all other animals. | |
Inject rational argument into embryo debate, says expert 24 hours ago | User rating: not shown ( 1 vote(s) ) | No comments yet
In the week that the UK parliament debates controversial amendments to the 1990 Human Fertilisation and Embryology Act, Professor John Burn asks at what point a cell becomes a human. | |
 Deep sea methane scavengers captured May 14, 2008 | User rating: 4.6 / 5 after 7 vote(s)
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Scientists of the Helmholtz Centre for Environmental Research (UFZ) in Leipzig and the California Institute of Technology (Caltech) in Pasadena succeeded in capturing syntrophic (means "feeding together") ... | |
 First electrophysical recording of sleep in a wild animal May 14, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet
In the first experiment to record the electrophysiology of sleep in a wild animal, three-toed sloths carrying miniature electroencephalogram recorders slept 9.63 hours per day—6 hours less than captive sloths ... | |
Recipe for energy saving unravelled in migratory birds May 14, 2008 | User rating: 4.3 / 5 after 6 vote(s)
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Pointed wings together with carrying less weight per wing area and avoidance of high winds and atmospheric turbulence save a bird loads of energy during migration. This has been shown for the first time in free-flying wild ... | |
 Large mammal species live harder, die out faster May 07, 2008 | User rating: 4.4 / 5 after 25 vote(s)
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Throughout Earth’s history, species have come and gone, being replaced by new ones that are better able to cope with life’s challenges. But some species last longer than others, while others may die out sooner ... | |
Sticky gecko feet: The role of temperature and humidity May 14, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet
A team of five University of Akron researchers has published the paper, “Sticky gecko feet: the role of temperature and humidity” in PLoS ONE, an open-access, online journal for peer-reviewed scientific and medical research. | |
Plant biologists discover unexpected proteins affecting small RNAs May 15, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1
Now that high school biology students can recite that genes are made of DNA, which is transcribed into messenger RNA (mRNA), which is then translated into protein, along comes a new class of molecules, sending students—and ... | |
 Embryonic pathway delivers stem cell traits May 15, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet
Studies of how cancer cells spread have led to a surprising discovery about the creation of cells with adult stem cell characteristics, offering potentially major implications for regenerative medicine and ... | |
 Disgraced expert seeks funding for pet cloning firm: scientist May 15, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet
South Korea's disgraced cloning expert Hwang Woo-Suk is seeking foreign investors for his new pet cloning business, a scientist close to him said Thursday. | |
 Sweet sorghum, clean miracle crop for feed and fuel May 13, 2008 | User rating: 4.5 / 5 after 13 vote(s)
| User comments: 1
The hardy sweet sorghum plant could be the miracle crop that provides cheap animal feed and fuel without straining the world's food supply or harming the environment, said scientists working on a pilot farming ... | |
 When following the leader can lead into the jaws of death May 12, 2008 | User rating: 4.3 / 5 after 18 vote(s)
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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 ... | |
Research shines spotlight on a key player in the dance of chromosomes May 13, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet
Cell division is essential to life, but the mechanism by which emerging daughter cells organize and divvy up their genetic endowments is little understood. In a new study, researchers at the University of Illinois and Columbia ... | |
Why did the EPA fire a respected toxicologist? May 13, 2008 | User rating: 4.5 / 5 after 11 vote(s)
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In March, the US House Energy and Commerce Committee launched an investigation into potential conflicts of interest in scientific panels that advise the Environmental Protection Agency on the human health effects of toxic ... | |
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