2,456 results
2,456 results for: mutations
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- Health & Medicine
Mice with mutation feel the burn
Instead of becoming obese, mice with a mutation in an immune gene burn off the fat they eat.
- Life
Mitochondria behind life span extension
Study in flies suggests low-protein diet works through power-producing organelles.
- Chemistry
Flowerless plants make fancy amber
A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives
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19306
Your article ends with the claim that “a color-blind person and a noncarrier have no chance of having a color-blind child.” Yet as I recall from basic biology class, color blindness is considered a prime example of a sex-linked trait, which makes the above statement untrue. Carried on the X chromosome, the trait would manifest […]
- Health & Medicine
Cells profilerate in magnetic fields
Magnetic fields such as those found within a few feet of outdoor electric-power lines could make cells that are vulnerable to cancer behave like tumors.
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Hormone dulls a tongue’s taste for sweets
The hormone leptin may suppress the tongue's ability to taste sugary substances.
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Teams implicate new gene in prostate cancer
A newly discovered gene may, in rare cases, cause prostate cancer or, more commonly, raise a man's risk of developing the disease.
- Health & Medicine
Drugs slow aging in worms
Drugs that defuse so-called free radicals lengthen a worm's life span by more than 50 percent.
- Health & Medicine
AIDS Vaccine Tests Well in Monkeys
An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.
- Anthropology
‘Y guy’ steps into human-evolution debate
The common ancestor of today's males lived in Africa between 35,000 and 89,000 years ago, according to a contested DNA analysis.
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Two aspects of sleep share a master
A molecular connection between the timing of sleep—a part of circadian rhythms—and how long animals slumber each day is demonstrated for the first time.
