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june 2011

Japan's megaquake and killer tsunami: How did this happen?

On March 11, 2011, at 2:46 p.m. local time, a magnitude-9.0 earthquake ruptured a 500-kilometer-long fault zone off the northeast coast of Japan. Its epicenter was 130 kilometers off Sendai, Honshu; it occurred at a relatively shallow depth of 32 kilometers. The temblor violently shook northeast Honshu for six minutes, and collapsed its coastline by one meter.

17 May 2011

Mysterious disease sounds the death knell for bats

These are dark days for bats. Hundreds of thousands of tiny white-nosed bats have died over the past few winters, falling to cave floors across the eastern United States. The killer is White Nose Syndrome, a mysterious disease inflicted by an unusual cold-loving fungus that attacks bats while they are hibernating. Come spring, as few as 5 percent of the bats in heavily infected roosts are still alive.

18 May 2011

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