News tagged with native rats
Death by hyperdisease: DNA detective work explains the extinction of Christmas Island's native rats
Biology /
Nov 05, 2008 |
4.7 / 5 (12) |
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It took less than a decade for native rats to become extinct on the Indian Ocean's previously uninhabited Christmas Island once Eurasian black rats jumped ship onto the island at the turn of the 20th century. ...
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Experiment to test killing 1 owl to help another
5 hours ago |
not rated yet |
1
(AP) -- Scientists want to determine if killing the aggressive barred owl that has invaded old growth forests of the Northwest would help the protected spotted owl.
Nerve-cell transplants help brain-damaged rats fully recover lost ability to learn
Medicine & Health / Neuroscience
20 hours ago |
5 / 5 (4) |
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Nerve cells transplanted into brain-damaged rats helped them to fully recover their ability to learn and remember, probably by promoting nurturing, protective growth factors, according to a new study.
Non-invasive technique blocks a conditioned fear in humans
Medicine & Health / Psychology & Psychiatry
21 hours ago |
4.5 / 5 (2) |
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Scientists have for the first time selectively blocked a conditioned fear memory in humans with a behavioral manipulation. Participants remained free of the fear memory for at least a year. The research builds on emerging ...
Brains versus brawn: Study finds there's more to the Noisy Miner than just being a backyard bully
Dec 08, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- Some consider the Noisy Miner bird a badly-behaved backyard bully - an avian aggressor that moves into the neighbourhood and quickly takes over.
Rodent smoke screen
Medicine & Health / Psychology & Psychiatry
Dec 08, 2009 |
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Rats passively exposed to tobacco smoke become dependent on nicotine, according to a new study by Dr. Adrie Bruijnzeel and colleagues from the University of Florida in the US. Their findings of how rats' brains respond to ...
Undergrad researchers lay groundwork for drug addiction remedy
Dec 08, 2009 |
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Sarah Steele and Langtian "Ren" Yuan were both self-admittedly inexperienced Duke freshmen in the spring of 2006. But then they followed helpful directions of an assistant chemistry professor, added their own patience and ...
In cancer-ridden rats, loneliness can kill
Dec 07, 2009 |
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Socially isolated female rats develop more tumors -- and tumors of a more deadly type -- than rats living in a social group, according to researchers at Yale University and the University of Chicago.
Researchers identify new stem cell
Dec 07, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- Scientists have discovered a new type of stem cell in the skin that acts surprisingly like certain stem cells found in embryos: both can generate fat, bone, cartilage, and even nerve cells. These newly-described ...
Stopping rape as an object of war
Other Sciences / Social Sciences
Dec 04, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- It is a disturbing truth that sexual- and gender-based violence (SGBV) is used as a war tactic in developing nations. Silvia Dominguez, assistant professor of sociology at Northeastern University, ...
Muscle cell infusion shown to strengthen sphincters in animals
Dec 04, 2009 |
4.8 / 5 (4) |
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A new study shows that muscle cells grown in the lab can restore an intestine's ability to squeeze shut properly. The work, performed in dogs and rats, might ultimately help treat patients with conditions such as gastric ...
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