2,444 results
2,444 results for: mutations
- Health & Medicine
Proteins’ Promise: New test could reveal early ovarian cancer
A screening test for ovarian cancer shows promise in preliminary trials.
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Eat Smart
Your daily diet may have an impact on your brain's resiliency in the face of injury or disease.
- Anthropology
Founding Families: New World was settled by small tribe
A new genetic analysis indicates that only about 200 to 300 people crossed the ice age land bridge from Asia to become the founding population of North America.
- Agriculture
Wheat Warning—New Rust Could Spread Like Wildfire
A new, yield-slashing wheat blight has emerged in East Africa and could spread far beyond that part of the world.
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Dying before Their Time
Genetically engineered mice that get prematurely old give hints to the causes of aging.
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19458
This article may have missed a “magic bullet” that would be effective against many forms of cancer. The researchers concentrate on a drug that blocks a mutated form of the epidermal growth factor (EGF) receptor, which may benefit 5 percent of lung cancer patients. Yet the article states that “if normal cell growth runs amok, […]
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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.
- Chemistry
A Skunk Walks into a Bar . . .
Research into the chemistry behind unpleasant beer flavors may someday lead to a more flavor-stable brew.
- 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.
- 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
Beer’s Well Done Benefit
Beer may prove therapeutic for diners who prefer their meat cooked until it's well done.
