2,444 results
2,444 results for: mutations
- Life
Genes & Cells
A sticky E. coli outbreak, clues to pancreatic cancer and a double whammy that leads to cancer in this week's news.
- Life
Carnivores can lose sweet genes
A gene involved in taste detection has glitches in some, but not all, highly carnivorous mammals.
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- Life
Genes & Cells
A family without fingerprints and the long-term harm of sleep skimping in this week’s news.
- Health & Medicine
Extreme eaters show abnormal brain activity
Seeing images of food revs up reward areas in the obese and slows them down in severely underweight people, a brain scan study shows.
- Life
Fruit fly biorhythms differ indoors and out
Response to daily cues of real life suggest lab findings may need a second look.
- Life
Genes & Cells
Human livers implanted in mice, plus new eye of newt, the potato genome and more in this week’s news.
- 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.
- 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.
- 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.
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Uncommon Carriers
People have a surprising number of rare genetic variants.
