 Female concave-eared frogs draw mates with ultrasonic calls May 11, 2008 | User rating: 4.9 / 5 after 8 vote(s)
| User comments: 1
Most female frogs don’t call; most lack or have only rudimentary vocal cords. A typical female selects a mate from a chorus of males and then –silently – signals her beau. But the female concave-eared torrent ... | |
 Biochips can detect cancers before symptoms develop May 12, 2008 | User rating: 4.8 / 5 after 19 vote(s)
| User comments: 1
In their fight against cancer, doctors have just gained an impressive new weapon to add to their arsenal. Researchers at the U.S. Department of Energy's Argonne National Laboratory have developed a chip that ... | |
 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? | |
Human vision inadequate for research on bird vision May 12, 2008 | User rating: 4.8 / 5 after 11 vote(s)
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The most attractive male birds attract more females and as a result are most successful in terms of reproduction. This is the starting point of many studies looking for factors that influence sexual selection in birds. However, ... | |
How embryonic stem cells develop into tissue-specific cells demonstrated May 12, 2008 | User rating: 4.7 / 5 after 7 vote(s)
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While it has long been known that embryonic stem cells have the ability to develop into any kind of tissue-specific cells, the exact mechanism as to how this occurs has heretofore not been demonstrated. Now, researchers at ... | |
What's the difference between a human and a fruit fly? May 12, 2008 | User rating: 4.7 / 5 after 6 vote(s)
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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 ... | |
 Scientists probe recent coyote attacks in California May 12, 2008 | User rating: 4.7 / 5 after 6 vote(s)
| User comments: 1
(AP) -- The coyote was limping as it approached a girl in a sand box at a public park - but it was still dangerous. It snapped its jaws on the girl's buttocks and her nanny had to pry the toddler from the ... | |
 Shrimps see beyond the rainbow May 14, 2008 | User rating: 4.6 / 5 after 25 vote(s)
| User comments: 1
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. | |
Fish diet to avoid fights May 12, 2008 | User rating: 4.6 / 5 after 14 vote(s)
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People diet to look more attractive. Fish diet to avoid being beaten up, thrown out of their social group - and getting eaten as a result. | |
 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") ... | |
 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 ... | |
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 ... | |
Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish 24 hours ago | User rating: 4.4 / 5 after 7 vote(s)
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Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback, the process can go in relative warp-speed reverse, according to a study led by researchers ... | |
Partnerships of Deep-Sea Methane Scavengers Revealed May 12, 2008 | User rating: 4.4 / 5 after 8 vote(s)
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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 ... | |
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 ... | |
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