primate species
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Genetic analysis challenges human-chimp interbreeding
London, August 29 (ANI): A genetic analysis has called into question the controversial claim that early humans and chimpanzees interbred before splitting into separate species.
In 2006, David Reich and his colleagues at the Broad Institute in Cambridge, Massachusetts, compared the genomes of humans, chimps and three other primate species, and found that the separation of [...]
Novel field of primate archaeology to shed new light on human evolution
Washington, July 16 (ANI): A team of scientists is advocating for a new inter-disciplinary field of primate archaeology to examine history of tool use in all primate species in order to better understand human evolution.
The scientists are from universities including Cambridge, Rutgers, Kyoto University and schools in Spain, Italy and France.
They argue that recent discoveries [...]
Why male and female lemurs are of same size
Washington, July 15 (ANI): Rice University biologist Amy Dunham has put forward a new theory for one of primatology’s long-standing mysteries-why are male and female lemurs the same size?
In most primate species, males have evolved to be much larger than females, but this has not been found to be true in case of lemurs.
Some theories [...]
Consuming low calorie diet leads to ‘longer, healthier life’
Washington, July 10 (ANI): Substantially cutting calories from the diet could slow the ageing process and increase life expectancy, according to a decades-long study of monkeys.
Researchers at the University of Wisconsin-Madison, the Wisconsin National Primate Research Center and the William S. Middleton Memorial Veterans Hospital have found that a nutritious but reduced-calorie diet blunts aging [...]
Primates evolved larger brains to hop between trees
Washington, July 1 (ANI): A new study, in which scientists scanned a 54-million-year-old skull roughly the size of a walnut, has suggested that primates such as lemurs, monkeys, apes, and humans might have evolved larger brains as a result of the need to move quickly from tree to tree.
According to a report in National Geographic [...]
Like humans, monkeys too are adept in the art of deceiving
London, June 19 (ANI): Intentional deceit is not just restricted to humans, monkeys too can con others in order to get food, says a new study.
According to Federica Amici and colleagues of Liverpool John Moores University in the UK, some monkeys use simple forms of deceit.
To reach the conclusion, researchers put up to 10 monkeys [...]
Primate ancestors of HIV could be younger than previously believed
Washington, May 1 (ANI): In a surprising discovery, scientists have found that the ancestors of the simian immunodeficiency viruses (SIVs) that jumped from chimpanzees and monkeys, and ignited the HIV/AIDS pandemic in humans, originated just a few centuries ago.
The new study from The University of Arizona in Tucson revealed that these ages are substantially younger [...]
