News
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AstronomySnacking in space: Star dines on planet
Astronomers have found evidence that a star has swallowed one or more of its own planets.
By Ron Cowen -
PhysicsLight shines in quantum-computing arena
A new computing scheme using available technology and only classical physics appears to handle many tasks that researchers thought would be unsuited to any computers except the still-hypothetical ones that would exploit quantum physics.
By Peter Weiss -
EarthThey’re not briquettes, but they’ll do
Chunks of fossil charcoal found in ancient sediments in north central Pennsylvania suggest that cycles of wildfire plagued Earth more than 360 million years ago.
By Sid Perkins -
To save gardens, ants rush to whack weeds
Ants can grow gardens, too, and the first detailed study of their weeding techniques shows that whether a gardener has two legs or six, the chore looks much the same.