2,476 results
2,476 results for: mutations
-
-
Brain-Cell Loss Found in Narcolepsy
The puzzling sleep disorder known as narcolepsy stems from the destruction of a small group of brain cells.
- 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.
-
Hormone dulls a tongue’s taste for sweets
The hormone leptin may suppress the tongue's ability to taste sugary substances.
-
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.
-
Human, Mouse, Rat . . . What’s Next?
Scientists lobby for a chimpanzee genome project.
- 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.
-
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.
-
Milked enzyme thwarts muscle disorder
Using an enzyme made in rabbit's milk, scientists have successfully treated a rare genetic disorder.
- 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.
