Gamma-Ray Bursts Could Halt Photosynthesis | Wired Science | Wired.com

Gamma-Ray Bursts Could Halt Photosynthesis | Wired Science | Wired.com:

"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."