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june 2011

Gauging nuclear disasters

A nuclear accident is defined by the International Atomic Energy Agency (IAEA) as an incident in which people died or property damage topped $50,000. In 1990, IAEA introduced the International Nuclear and Radiological Event Scale (INES) to rate and rank nuclear accidents. INES is a logarithmic scale that consists of seven levels: 0 (Deviation, no safety significance), 1 (Anomaly), 2 (Incident), 3 (Serious incident), 4 (Accident with local consequences), 5 (Accident with wider consequences), 6 (Serious accident) and 7 (Major accident).

31 May 2011

D-Day's Legacy: Remnants of invasion linger in beach sands

Before dawn on June 6, 1944, more than 160,000 Allied troops began storming the shores of Normandy, France, in what would be the turning point of World War II. Troops poured out of planes and off ships along an 80-kilometer stretch of coastline. More than 5,000 ships and 13,000 airplanes supported the ground troops. The battles were bloody and brutal, but by day’s end, the Allies had established a beachhead. Gen. Dwight D.

27 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

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

Don't forget about the Christchurch earthquake: Lessons learned from disaster

In the aftermath of the devastating magnitude-9.0 earthquake and tsunami that struck the Tohoku region of Japan on March 11, attention quickly turned away from a much smaller, but also highly destructive earthquake that struck the city of Christchurch, New Zealand, just a few weeks earlier, on Feb. 22.

17 May 2011