Scientists at the University of Liverpool have found that mice and rats have evolved to gnaw with their front teeth and chew with their back teeth more successfully than rodents that 'specialise' in one or other of these ...
Plants & Animals
Apr 27, 2012
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Spanish and Danish researchers have developed a method for the in vivo study of the unknown metabolism of selenium, an essential element for living beings. The technique can help clarify whether or not it possesses the anti-tumour ...
Analytical Chemistry
Mar 21, 2012
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In 2007, a controversial pesticide was approved by the Food and Drug Administration for use on fruit and vegetable crops, mainly in California and Florida. Farm workers and scientists protested the approval of the pesticide ...
Biochemistry
Feb 29, 2012
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Pigeons display spectacular variations in their feathers, feet, beaks and other physical traits, but a new University of Utah study shows that visible traits don't always coincide with genetics: A bird from one breed may ...
Plants & Animals
Jan 19, 2012
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Boa constrictors can sense the heartbeat of their quarry as they suffocate it, thus giving themselves the signal to know when the prey is dead, scientists say.
Plants & Animals
Jan 18, 2012
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Experiments on animals have been the subject of criticism for decades, but there is no prospect of a move away from them any time soon. The number of tests involving laboratory animals has in fact gone up. Now, researchers ...
Bio & Medicine
Jan 3, 2012
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A compound that is abundant in apples and strawberries inhibits the highly pathogenic E. coli O157:H7 biofilms while sparing a beneficial strain of E. coli that also forms biofilms in the human gut, according to a paper in ...
Cell & Microbiology
Dec 16, 2011
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(PhysOrg.com) -- Mole rats aren't the prettiest things; living underground as they do, they more resemble Gollum from the Lord of the Rings trilogy than other rats or mice. But they’re interesting to scientists nonetheless ...
(PhysOrg.com) -- Rats use their knowledge to make decisions when faced with ambiguous situations, UCLA psychologists report.
Plants & Animals
Dec 9, 2011
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The first evidence of empathy-driven helping behavior in rodents has been observed in laboratory rats that repeatedly free companions from a restraint, according to a new study by University of Chicago neuroscientists.
Plants & Animals
Dec 8, 2011
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