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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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Riff Riders: Brain scans tune in to jazz improvisers
Accomplished jazz pianists are able to improvise musical passages thanks in part to a set of reactions at the front of the brain that free self-expression from conscious monitoring and self-censorship.
- Earth
Ancient Chasm: Parts of Grand Canyon may be 17 million years old
The chemical composition of mineral formations in caves along the Grand Canyon may provide fresh insight into the chasm's history, including its age and the rate at which it was carved.
