News
- Astronomy
One star, five planets
With the discovery of a fifth planet circling the nearby star 55 Cancri, astronomers have found the most abundant—and heaviest—planetary system beyond the sun's.
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Eastern farms have native-bee insurance
If honeybees somehow vanished, the pockets of wild land in the Delaware Valley still harbor enough native bees to fill in and do the tough job of pollinating watermelon farms.
- Tech
A smaller magnetometer
A novel sensor the size of a rice grain can detect magnetic fields as small as those produced by brain or heart waves.
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Flawed Stem Cells Yield Fragile X Clues: Researchers study genetic disorder via discarded embryos
The most common inherited cause of mental retardation arises when a mutated gene is shut down early in embryonic development.
