1,416 results
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DNA Clues to Our Kind: Regulatory gene linked to human evolution
A gene that exerts wide-ranging effects on the brain works harder in people than it does in chimpanzees and other nonhuman primates.
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Bad Vibrations? Ultrasound disturbs mouse brains
Prolonged and frequent use of fetal ultrasound might lead to abnormal fetal brain development, a study in mice suggests.
- Anthropology
Evolution’s DNA Difference: Noncoding gene tied to origin of human brain
Investigators have discovered a gene that shows signs of having evolved rapidly in people and of having made a substantial contribution to the emergence of a uniquely human brain.
- Animals
Can You Hear Me Now? Frogs in roaring streams use ultrasonic calls
A small frog living beside Chinese hot springs may be the first amphibian known to use ultrasound in its calls.
- Anthropology
Mental Leap
As scientists discover traits shared by human and ape ancestors millions of years ago, they try to fill in the gaps of human evolution.
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Reflections of Primate Minds: Mirror images strike monkeys as special
Capuchin monkeys don't react to their own mirror images as they do to strangers, perhaps reflecting an intermediate stage of being able to distinguish oneself from others.
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Monkey See, Monkey Think: Grape thefts instigate debate on primate’s mind
Rhesus monkeys treat a competitor's averted eyes as a license to steal his or her food.
- Animals
Out of the Jungle: New lemurs found in Madagascar’s forests
Two new species of lemur have been discovered in Madagascar, the only home of these tiny and endangered primates.
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19592
The pendular running gait described in this article as one of the most efficient bipedal gaits looks remarkably like the way eyewitnesses claim Bigfoot creatures move. In a Bigfoot hoax, one might use a gait that is unhuman but energy efficient, as the costume would be rather heavy. On the other hand, since such a […]
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Perchance to Hibernate
As scientists work to unravel the secrets of mammalian hibernation, they're eyeing medical applications that could aid wounded soldiers, stroke victims, and transplant recipients, among others.
- Humans
Letters from the September 24, 2005, issue of Science News
Monkey see, monkey smell That monkeys get “weirded out” by seeing themselves in mirrors doesn’t seem unexpected (“Reflections of Primate Minds: Mirror images strike monkeys as special,” SN: 7/23/05, p. 53). Were a familiar or an unfamiliar same-sex capuchin seen, the test subject would be bombarded not just by visual images but also by smells […]
- Anthropology
Wild gorillas take time for tool use
Gorillas that balance on walking sticks and trudge across makeshift bridges have provided the first evidence of tool use among these creatures in the wild.
