Ruthless boas know when to ditch their squeeze
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.
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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Pig stem cell research conducted by two animal scientists at the University of Georgia reveals a better way to determine the safety of future stem cell therapies than rodent-based models.
Cell & Microbiology
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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Research from the University of Sheffield comparing rats and mice with their distance relatives the marsupial, suggests that moveable whiskers were an important milestone in the evolution of mammals from reptiles.
Plants & Animals
Nov 10, 2011
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According to a paper published in the latest issue of Vertebrata PalAsiatic 2011(4), palontologists from Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, have identified two cricetid ...
Archaeology
Nov 9, 2011
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(PhysOrg.com) -- New research from the University of Reading overturns conventional views on the nature of evolution, arguing that mammals did not develop into their many different forms in one early and rapid burst of evolution ...
Evolution
Oct 20, 2011
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In a literal walk through time along the Ucayali River near Contamana, Peru, a team of researchers found rodent fossils at least 41 million years old by far the oldest on the South American continent.
Archaeology
Oct 12, 2011
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(PhysOrg.com) -- Sharks are capable of continually growing new teeth. As the teeth age, they fall out and new ones move forward similar to that of a tooth conveyor belt. Humans, and most mammals, on the other hand are only ...
An extremely rare albino alligator from the swamps of Louisiana is taking up residence in Washington, dazzling visitors with her brilliant white skin.
Plants & Animals
Oct 7, 2011
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Biologists have described only a few thousand different viruses so far, but a new study reveals a vast world of unseen viral diversity that exists right under our noses. A paper to be published Tuesday, October 4 in the online ...
Cell & Microbiology
Oct 3, 2011
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