2,429 results
2,429 results for: mutations
- Life
New light on moths gone soot-colored
Researchers trace the mutation that led to the dramatic darkening of an insect's wings during England's industrial revolution to a region rich in genes that control color patterns.
- Life
DNA flaws can stack up as cancer grows
Acute myeloid leukemia progresses by accumulating various mutations, according to an analysis of one man’s disease over time.
- Animals
Lost to history: The “churk”
More than a half-century ago, researchers at the Beltsville Agricultural Research Center outside Washington, D.C., engaged in some creative barnyard breeding. Their goal was the development of fatherless turkeys — virgin hens that would reproduce via parthenogenesis. Along the way, and ostensibly quite by accident, an interim stage of this work resulted in a rooster-fathered hybrid that the scientists termed a churk.
- Life
Sickle-cell may blunt, not stop, malaria
Once thought to keep parasite out of cells, the trait appears to diminish the severity of infection.
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Uncommon Carriers
People have a surprising number of rare genetic variants.
- Science & Society
90th Anniversary Issue: 1920s
Rise of quantum theory and other highlights, 1920–29
- Science & Society
90th Anniversary Issue: 1940s
The Atomic Age, elementary finds and other highlights, 1940–49
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2012 AAAS Meeting
Highlights from the American Association for the Advancement of Science annual meeting in Vancouver, February 16-20.
- Health & Medicine
American Association for Cancer Research
Anticancer power of strawberries, human papillomavirus linked to lung cancer and more news from the recent cancer research meeting.
- Health & Medicine
Studies shed light on Ebola’s M.O.
New findings reveal a key step in how the deadly virus infects cells — and identify compounds that may thwart it.
- Life
Rare mutations key to brain disorders
Many cases of mental retardation can be explained by genetic variants that arise in affected individuals.
- Health & Medicine
Body & Brain
A genetic cause for small brains, heart links to HIV and calcium, and more in this week’s news.
