News
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Largest known prime number found
Featured Math Trek column: The Great Internet Mersenne Prime Search, a cooperative computing project, helps find a prime that has nearly 13 million digits.
- Space
With a twinkle, pulsating stars could deliver signals from E.T.
Neutrino beams may turn Cepheids into messengers for advanced alien civilizations.
- Space
Galaxies on the move
Scientists discover "dark flow" -- the unexplained streaming of galactic clusters across the universe.
- Humans
The first sound bites
During the 1908 presidential race, Taft and Bryan sounded off in a new way as use of the phonograph got serious.
