World Topics

Third Van Allen radiation belt seen

Mar 2, 2013

Third Van Allen radiation belt seen

NASA probes that are exploring the twin Van Allen radiation belts encircling the Earth have spied a third band of radiation that burst into view and then disappeared, scientists reported Thursday. The discovery of the temporary band of high-energy electrons has stunned scientists and ...

Scientists link up brains of two rats a continent apart

Mar 2, 2013

Scientists link up brains of two rats a continent apart

Creating a “superbrain” of connected minds, scientists Thursday said they had enabled a rat to help a fellow rodent while the animals were a continent apart but connected through brain electrodes. With electrodes imbedded in its cortex, a rat in a research institute in ...

Mar 2, 2013

Loss of wild bees hits world farming

Falling numbers of wild bees and other pollinating insects are hurting global agriculture, a study released Thursday found. Managed populations of pollinators are less effective at fertilizing plants than wild ones, the researchers said, so the dearth of pollinating insects cannot be solved by ...

Ex-top U.S. doctor Koop dies at 96

Feb 27, 2013

Ex-top U.S. doctor Koop dies at 96

C. Everett Koop, the former surgeon general of the United States who started the government’s public discussion of AIDS during the administration of Ronald Reagan, died Monday at his home in Hanover, New Hampshire. He was 96. A spokeswoman for the C. Everett Koop ...

Feb 24, 2013

U.S. federally funded research to be freely available

The White House moved Friday to make nearly all federally funded research freely available to the public, the latest advance in a long-running battle over access to research that exploded into view last month after the suicide of free-information activist Aaron Swartz. In a ...

Feb 23, 2013

Seals' sleeping secrets could help people with insomnia

Scientists have identified brain chemicals that allow seals to sleep with half of their brain at a time, according to a study published in the Journal of Neuroscience. And they say that the discovery of how what they called a “unique biological phenomenon” works ...