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Regarding this article: A black hole is in a geometrical sense an end to the universe. If we picture the universe using Euclidean geometry, we can imagine going straight out forever. As we approach a black hole, the huge mass changes the geometry so that we also go on forever reaching the surface. We cannot […]

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.

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.