07/08/2011

How yeast chromosomes avoid the bad breaks

The human genome is peppered with repeated DNA elements that can vary from a few to thousands of consecutive copies of the same sequence. During meiosis—the cell division that produces sperm and eggs—repetitive ...

Hacker group declares cyber war on US police

A hacker group on Saturday claimed it has "defaced and destroyed" websites at scores of US police agencies in retaliation for the arrest of suspected peers accused of hacking into the CIA, British crime agency SOCA, and ...

Ariane rocket launches two satellites

An Ariane-5 rocket placed two telecommunications satellites into geostationary orbit early Saturday, the 45th successive success for the European rocket, Arianespace announced.

Social networking's good and bad impacts on kids

WASHINGTON – Social media present risks and benefits to children but parents who try to secretly monitor their kids' activities online are wasting their time, according to a presentation at the 119th Annual Convention ...

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