2,690 results
2,690 results for: Monkeys
- Health & Medicine
Could this be the end of the monthly period?
Two compounds stop menstruation in monkeys, suggesting that similar drugs might someday enable women to bypass monthly bleeding.
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Human Brains May Take Unique Turn
Preliminary evidence indicates that the human brain may undergo a unique form of fetal development that facilitates the growth of brain areas involved in symbolic thought and language.
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Embryo stem cells turned to blood
Human embryonic stem cells may provide a new source of blood and bone marrow.
- Paleontology
Lemurs reveal clues to ancient Asian roots
A diminutive lemur species inhabited what is now central Pakistan about 30 million years ago, a new fossil find suggests.
- Anthropology
Evolution’s DNA Fusion: Hybrid gene forms clue to human, ape origins
A gene of mixed evolutionary pedigree may have transformed mammalian reproduction, leading to the evolution of apes and humans.
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Uncertainty fires up some neurons
In monkeys, a small set of brain cells that transmit the chemical messenger dopamine to various neural destinations works as an uncertainty meter.
- Health & Medicine
Microbicide thwarts AIDS virus in monkey test
A microbicidal gel applied vaginally prevents some transmission of the AIDS virus in monkeys.
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Out of China: SARS virus’ genome hints at independent evolution
The newly identified SARS virus is the product of a long and private evolutionary history, clues from its genome suggest.
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Egg’s missing proteins thwart primate cloning
Scientists have identified a reason why cloning a person may be difficult, if not impossible.
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19576
That monkeys get “weirded out” by seeing themselves in mirrors doesn’t seem unexpected. 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 generated from the normal interactions of monkeys. What makes them act strangely is not seeing themselves, which they […]
- Humans
Letters from the June 5, 2004, issue of Science News
Blackened reputation Again, humans are implicated in the promotion and distribution of our own misery (“Medieval cure-all may actually have spread disease,” SN: 4/3/04, p. 222: Medieval cure-all may actually have spread disease). However, if bitumen was wrongly credited with darkening the skin of mummified remains, what caused it? Robert FizekNewton, Mass. The coating on […]
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Evolution’s Wedges
Finding the genes that drive one species into two.
