 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 ... | |
Human vision inadequate for research on bird vision May 12, 2008 | User rating: 4.8 / 5 after 12 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, ... | |
 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? | |
 New clues to how proteins dissolve and crystallize May 12, 2008 | User rating: 4.8 / 5 after 10 vote(s)
| User comments: 1
In the late 19th century the Czech scientist Franz Hofmeister observed that some salts (ionic compounds) aided the solution of proteins in egg white, some caused the proteins to destabilize and precipitate, ... | |
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 ... | |
Researchers uncover mechanism of action of antibiotic able to reduce neuronal cell death in brain May 09, 2008 | User rating: 4.7 / 5 after 6 vote(s)
| User comments: 1
Virginia Commonwealth University researchers have discovered how an antibiotic works to modulate the activity of a neurotransmitter that regulates brain functions, which eventually could lead to therapies to treat Alzheimer’s ... | |
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 ... | |
 Improved Ion Mobility Is Key to New Hydrogen Storage Compound May 14, 2008 | User rating: 4.7 / 5 after 6 vote(s)
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A materials scientist at the National Institute of Standards and Technology has deciphered the structure of a new class of materials that can store relatively large quantities of hydrogen within its crystal ... | |
 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") ... | |
 Giant pythons invade southeastern Florida: study 4 hours ago | User rating: 4.5 / 5 after 6 vote(s)
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Giant pythons capable of swallowing a dog and even an alligator are rapidly making south Florida their home, potentially threatening other southeastern states, a study said. | |
 New process may convert toxic computer waste into safe products May 12, 2008 | User rating: 4.5 / 5 after 6 vote(s)
| User comments: 1
Discarded computer parts could one day wind up fueling your car. That’s because researchers in Romania and Turkey have developed a simple, efficient method for recycling printed circuit boards into environmentally-friendly ... | |
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