2,458 results
2,458 results for: mutations
- Health & Medicine
Berry Colorful Nutrition News (with recipes)
Ah, raspberries. So sweet, so delicate on the tongue, so ephemeral. Oregon Raspberry and Blackberry Commission Isolated pigments from the four raspberries tested. Liu/Cornell Oregon Raspberry and Blackberry Commission Every year, I unsuccessfully defend my raspberries against squirrels, birds, and beetles. As I watch the fruit begin to ripen, so do the neighborhood creatures. Two […]
- Health & Medicine
Honey of a Threat
An all-natural, organic food, honey has a benign–if not wholesome–image. Many people consider it a superior alternative to table sugar and corn syrup–two primary sweeteners in the U.S diet. Though attractive to bees, borage may lace its flowers nectar with toxic chemicals that could then show up in honey. James N. Roitman, USDA-ARS Comfrey, formerly […]
- 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.
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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.
