News tagged with male chimp
Small male chimps use politics, rather than aggression, to lead the pack
Biology /
Feb 02, 2009 |
4.8 / 5 (4) |
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With most mammals, the biggest and most aggressive male claims the alpha male role and gets his choice of food and females. But a new study from the University of Minnesota suggests that at least among chimpanzees, ...
Search results for male chimp
Chimp's stone throwing at zoo visitors was 'premeditated'
Mar 09, 2009 |
4.7 / 5 (6) |
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Researchers have found what they say is some of the first unambiguous evidence that an animal other than humans can make spontaneous plans for future events. The report in the March 9th issue of Current Bi ...
Why can't chimps speak? Study links evolution of single gene to human capacity for language
Nov 11, 2009 |
3.9 / 5 (15) |
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(PhysOrg.com) -- If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not?
Owners struggle to find sanctuaries for chimps
May 14, 2009 |
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(AP) -- Russ Cochran fondly recalls the fun he had with his chimpanzee when the animal was younger, taking him for rides in the car and to his cabin on the river. Boaters would stop to see Sammy, who would ...
DNA chunks, chimps and humans
Biology /
Nov 06, 2008 |
4.3 / 5 (15) |
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Researchers have carried out the largest study of differences between human and chimpanzee genomes, identifying regions that have been duplicated or lost during evolution of the two lineages. The study, published in Genome Re ...
Female choice benefits mothers more than offspring
Oct 22, 2009 |
3.7 / 5 (3) |
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The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...
Fetal study highlights impact of stress on male fertility
Oct 21, 2009 |
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Exposure to a combination of excess stress hormones and chemicals while in the womb could affect a man's fertility in later life, a study suggests.
Placental precursor stem cells require testosterone-free environment to survive
Oct 29, 2009 |
3 / 5 (1) |
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Trophoblast stem cells (TSCs), cells found in the layer of peripheral embryonic stem cells from which the placenta is formed, are thought to exhibit "immune privilege" that aids cell survivability and is potentially beneficial ...
Are female mountain goats sexually conflicted over size of mate?
Nov 17, 2009 |
4 / 5 (1) |
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Mountain goats are no exception to the general rule among mammals that larger males sire more and healthier offspring. But University of Alberta researcher David Coltman has found a genetic quirk that might make female mountain ...
For fish, bigger doesn’t always mean healthier
Nov 17, 2009 |
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(PhysOrg.com) -- Female smallmouth bass tend to prefer bigger male mates, but bigger doesn’t necessarily mean healthier. That’s the finding of a new study in the latest issue of Physiological and Biochemical Zoology that i ...
When Being a Cuckold Makes Evolutionary Sense
Oct 09, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- Evolutionary biology theory predicts that males usually won't invest a lot of time raising offspring when there is a good chance they are not the fathers. Yale University researchers have ...
List of search results for male chimp
