2,461 results
2,461 results for: mutations
- Health & Medicine
Surprise! Obesity (and Inactivity) Can Spur Cancers
Some 60 percent of U.S. adults say they’re worried at the prospect of developing cancer, yet only 6 percent recognize that being overweight is a leading predisposing factor. That’s one finding from a June survey, commissioned by the American Institute for Cancer Research in Washington, D.C. The survey was unveiled on July 11 at a […]
- Health & Medicine
Carcinogens in the Diet
The U.S. government has added chemicals commonly found in overcooked meat to the list of potential cancer causers.
- Health & Medicine
Beer’s Well Done Benefit
Beer may prove therapeutic for diners who prefer their meat cooked until it's well done.
- 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.
- Genetics
Scorpion’s sting evolved from insects’ defensive proteins
With a single genetic mutation, an insect’s defensive proteins can be transformed into a toxin that gives scorpions their signature sting, a new study shows.
- Genetics
Origin of Tibetans’ high-altitude adaptations found
Mixing genes of two ancestral populations gave modern Tibetans their ability to withstand high altitude.
- Health & Medicine
H7N9 flu makes a comeback
Scientists warn that the risk that the illness could spread remains.
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Losing Sleep: Mutant flies need less shut-eye
The ability to get by on little sleep may have a strong genetic component, according to a new study in fruit flies.
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Novel drug may take on lung cancer
A drug that bottles up the so-called epidermal growth factor receptor might fight lung cancer.
- Health & Medicine
Proteins’ Promise: New test could reveal early ovarian cancer
A screening test for ovarian cancer shows promise in preliminary trials.
- Anthropology
Coasting to Asia in the Stone Age
New genetic analyses of people from native island groups in Southeast Asia support the unconventional view that around 70,000 years ago, people living in Africa crossed the Red Sea and moved east along Asia's southern coast.
- 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.
