2,429 results
2,429 results for: mutations
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Mr. Universe Jr.: Child’s gene mutation confirms protein’s role in human-muscle growth
A boy born with extra-large muscles has mutations in a gene regulating muscle growth.
- Paleontology
Chipmunks in Wisconsin toughed out ice age
Analyses of DNA from chipmunks in parts of the U.S. Midwest hint that some populations of the creatures stayed in northern refuges rather than migrating south at the beginning of the last ice age.
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Clock genes regulate blood sugar
Circadian-clock genes may play an important role in governing the body's metabolism of dietary sugars and fats.
- Health & Medicine
Beer’s Well Done Benefit
Beer may prove therapeutic for diners who prefer their meat cooked until it's well done.
- Chemistry
Making a Little Progress
Scientists are using nanotechnology to develop new strategies for diagnosing and treating cancer.
- Earth
Problems with eradicating polio
The oral vaccine's live but attenuated virus may in rare cases revert to the disease-causing form, which can then turn up in natural waters even in regions now certified free of the wild-type virus.
- Health & Medicine
Expanding the therapeutic arsenal
Two experimental drugs can send chronic myeloid leukemia into remission in patients who don't benefit from the best currently available drugs.
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Drug-resistance gene found—again
A mutant gene confers resistance to chloroquine upon parasites that cause malaria.
- Math
When Laziness Pays: Math explains how cooperation and cheating evolve
Researchers have developed a mathematical model that helps explain how cooperation and cheating evolve among simple organisms.
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Code of Many Colors
Researchers have yet to find markers for race in the genome, but understanding the biology underlying perceptions of race could have dramatic social and personal consequences.
- Health & Medicine
New test may spot colon cancer early
An experimental test for colon cancer may detect the disease at a treatable stage more accurately than current, noninvasive screening techniques.
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Cavefish blinded by gene expression
New evidence supports the theory that Mexican blind cavefish are sightless by evolutionary selection, not chance.
