2,458 results
2,458 results for: mutations
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19016
I was intrigued by your article for a couple of reasons. Isn’t this what Steven J. Gould said, that evolution is punctuated by environmental stresses that can bring about adapt-or-die changes rapidly? Also, what are the implications for the geneticists who base their mitochondrial DNA dating techniques on what they consider a fairly constant rate […]
- Life
Eggs have own biological clock
Reproductive cells age independently from the rest of the body, research in worms reveals.
- Health & Medicine
Bedbugs not averse to inbreeding
The pests have also developed ways to resist common insecticides, research shows.
- Life
Drugs activate dormant gene
A compound that blocks DNA unwinding can spur production of a critical brain protein in mice, leading to hope for a therapy for Angelman syndrome.
- Life
Eight-legged evolution exploits editing
Octopuses adapt to water temperature with tweaks to how genes are copied, not DNA itself.
- Life
All genes aren’t indispensable
Even healthy people may have about 20 genes that are completely inactivated, a new study finds.
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2012 AAAS Meeting
Highlights from the American Association for the Advancement of Science annual meeting in Vancouver, February 16-20.
- Anthropology
Frozen mummy’s genetic blueprints unveiled
DNA study reveals the 5,300-year-old Iceman had brown eyes, Lyme disease and links to modern-day Corsicans and Sardinians.
- Life
Carnivores can lose sweet genes
A gene involved in taste detection has glitches in some, but not all, highly carnivorous mammals.
- Life
Tracking the viral link to lymphoma
A mutation in an anticancer gene in the Epstein-Barr virus may account for some of its malignant effect, research shows.
- Life
Fruit fly biorhythms differ indoors and out
Response to daily cues of real life suggest lab findings may need a second look.
- 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.
