2,456 results
2,456 results for: mutations
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Turning numbers into shapes offers potential medical benefits
Until recently, topology was seen as being among the most abstract fields of mathematics, one that bore out Henry John Stephen Smith’s 19th century toast: “Pure mathematics — may it never be of use to anyone!” But now the field, which deals with the shape of many-dimensional objects, has unexpectedly proved its usefulness in, of all places, […]
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Killer whales, grandmas and what men want: Evolutionary biologists consider menopause
Menopause seems like a cruel prank that Mother Nature plays on women. First come the hot flashes, night sweats, vaginal dryness, irregular periods, irritability and weight gain. Then menstruation stops and fertility ends. Why, many women ask, must they suffer through this? Evolutionary biologists, it turns out, ask themselves more or less the same question. […]
- Health & Medicine
Survivors’ Benefit?
Smallpox outbreaks throughout history may have endowed some people with genetic mutations that make them resistant to the AIDS virus.
- Health & Medicine
NO News
Preliminary research suggests that inhaled nitric oxide may offer a much-needed treatment for patients suffering from complications of sickle cell disease.
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Keeping Bugs from Pumping Drugs
Researchers hope that attacking the machinery some microbes use to pump antimicrobial agents out of their cells may help deal with the increasing problem of drug resistance.
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Placental Puzzle
Do captured viral genes make human pregnancies possible?
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Code Breakers
Scientists are altering bacteria in a most fundamental way.
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Fly Genome Creates a Buzz
Scientists try to make sense of an insect's myriad genes.
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Silence of the Xs
Does junk DNA help women muffle one X chromosome?
