2,475 results
2,475 results for: mutations
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More evidence that flies sleep like people
A brain chemical puts fruit flies to sleep.
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New World Stopover: People may have entered the Americas in stages
People first reached the edge of the Americas about 40,000 years ago but had to stay put for at least 20,000 years before melting ice sheets allowed them to move south and settle the rest of the continent.
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Aging Factor: Gene mutations may be key to long life
Some centenarians carry mutations in a pathway associated with longevity in worms and fruit flies.
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Rare mutations tied to schizophrenia
Individual-specific DNA deletions and duplications, many located in genes involved in brain development, occur in an unusually large percentage of people with schizophrenia.
- Health & Medicine
Take a Breath: Fatty substance may play role in cystic fibrosis
A fatty compound called ceramide that accumulates in lung cells may be instrumental in the devastating disease cystic fibrosis.
- Health & Medicine
Let there be light
Researchers report restoring vision to people with a rare, genetic form of blindness. A different technique helped blind mice see again and could bring back some sight in people with macular degeneration, retinitis pigmentosa or other blinding diseases.
- Life
Not so different after all
Plague bacteria may be deadlier than its harmless cousin because of a few small genetic changes.
- Animals
Wild innovation
Researchers have published a rare description of a wild chimpanzee devising and modifying a novel form of tool use.
- Life
Fly fountain of youth
Hanging out with young, healthy flies helps fruit flies with a mutation that causes neurodegeneration live longer.
- Life
Replaying evolution
By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.
- Health & Medicine
Stomaching diabetes
A new way to treat diabetes could recruit cells in the gut to make insulin when the pancreas can’t.
