News tagged with male rats
Bottom of the swimming league: Naked mole rat sperm
Naked mole rats (Heterocephalus glaber) live in a 'hive' society with one reproducing queen and between one and three reproducing males. The rest of the mole rats in the colony are workers either defending the bu ...
Dec 05, 2011 |
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Search results for male rats
Race to save the devil Down Under
It's been hundreds of years since the Tasmanian devil last lived on the Australian mainland but, in the misty hills of Barrington Tops, a pioneering group is being bred for survival.
May 17, 2012 |
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Big-mouthed babies drove the evolution of giant island snakes
Some populations of tiger snakes stranded for thousands of years on tiny islands surrounding Australia have evolved to be giants, growing to nearly twice the size of their mainland cousins. Now, new research ...
May 15, 2012 |
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Are silver nanoparticles harmful?
Silver nanoparticles cause more damage to testicular cells than titanium dioxide nanoparticles, according to a recent study by the Norwegian Institute of Public Health. However, the use of both types may affect testicular ...
Nanotechnology / Bio & Medicine
Mar 14, 2012 |
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Largest bird alters its foraging due to climate change
Paris/ Leipzig. Wandering albatrosses have altered their foraging due to changes in wind fields in the southern hemisphere during the last decades. Since winds have increased in intensity and moved to the ...
Jan 12, 2012 |
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Second rare white kiwi hatches in New Zealand
A second rare white kiwi has hatched at New Zealand's national wildlife centre, conservation officials announced Friday, months after the world's first hatched in captivity.
Dec 22, 2011 |
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Helping your fellow rat: Rodents show empathy-driven behavior
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.
Dec 08, 2011 |
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For male weta, big is better
(PhysOrg.com) -- For a male tree weta, size really is everything. In six of the seven species in New Zealand the males all sport a distinctly large head, and the bigger the head, the better the chance of mating.
Nov 18, 2011 |
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Not tonight deer: A new birth control vaccine helps reduce urban deer damage
A new birth control vaccine for white-tailed deer -- a growing nuisance in urban areas for gardens and landscaping -- eliminates the dangerous reproductive behavior behind the annual autumn surge in automobile-deer collisions. ...
Aug 31, 2011 |
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How do native Hawaiian birds survive in a fragmented forest?
(PhysOrg.com) -- When humans cohabit with Mother Nature, they tend to leave footprints behind. They fragment the natural forest landscape into patches of trees and other vegetation separated by the diverse ...
Aug 17, 2011 |
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Parasite uses the power of sexual attraction to trick rats into becoming cat food
(PhysOrg.com) -- Could it be love? Rats infected with the parasite Toxoplasma seem to lose their fear of cats – or at least cat urine. Now Stanford researchers have discovered that the brains of those ...
Aug 17, 2011 |
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List of search results for male rats
