Wednesday, July 28, 2010

The "WAGD" headlines of the day

Gamma-Ray Bursts Could Halt Photosynthesis

Cosmic explosions thousands of light-years away could shut down photosynthesis in the ocean at depths of up to 260 feet, a new study suggests. The calculations add to a growing body of research linking these great blasts, called gamma-ray bursts, with biological damage and even mass extinctions on Earth.

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