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AstronomyBeryllium data confirm stars’ age
Measuring trace amounts of beryllium in two elderly stars, astronomers have found additional evidence that the first stars in the universe formed less than 200 million years after the Big Bang.
By Ron Cowen -
The woman who lost her capacity to dream
A rare instance in which brain damage caused a woman to lose the ability to dream may help scientists understand the neural basis of dreaming.
By Bruce Bower -
PhysicsExtreme Impersonations
By creating tiny clouds of remarkable new kinds of ultracold gases, physicists are, in essence, bringing to their lab benches chunks of some of the most extraordinary and hard-to-study matter in the universe.