News
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AstronomyAstronomers get the spin on black holes
Recording the X-ray flashes emitted by matter as it plunges into one of these gravitational beasts, astronomers last week reported strong evidence that black holes spin like whirling dervishes, dragging space-time along with them.
By Ron Cowen -
EcosystemsHurricanes’ full havoc yet to be felt
When Hurricanes Dennis, Floyd, and Irene pummelled North Carolina in the fall of 1999, they delivered a three-punch sequence that may, for years to come, disrupt fishing in the Atlantic Ocean.
By Sid Perkins -
Health & MedicineMemory may draw addicts back to cocaine
The hippocampus may be the seat of powerful cravings for cocaine in rats and play a key role in drug-addiction relapse.