24/05/2011

Repeat deadly storms 'unusual but not unknown'

(AP) -- Weather experts said it's unusual for deadly tornadoes to develop a few weeks apart in the U.S. But what made the two storm systems that barreled through a Missouri city and the South within the last month so rare ...

Barnes & Noble launches touch-screen Nook for $139 (Update)

The lighter, slimmer, cheaper new version of Barnes & Noble's e-reader has a black-and-white touch screen and aims squarely at the "grandma" demographic - or at least those craving a simpler e-book reader.

Feuding helium dwarfs exposed by eclipse

Researchers at the University of Warwick have found a unique feuding double white dwarf star system where each star appears to have been stripped down to just its helium.

Crime Victims' Institute studies adolescent sex and laws

While statutory rape laws have been enacted to protect minors from sexual abuse by adults or peers, more teenagers are engaging in sexual activity before the legal age of consent and are facing sexual assault charges.

Nearby supernova factory ramps up

(PhysOrg.com) -- A local supernova factory has recently started production, according to a wealth of new data from NASA's Chandra X-ray Observatory on the Carina Nebula. This discovery may help astronomers better understand ...

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