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Special Report

The Japan Earthquake, Tsunami and Nuclear Crisis

On March 11, a powerful, magnitude 9.0 quake hit northeastern Japan, triggering a tsunami with 10-meter-high waves that reached the U.S. west coast. Here's the science behind the disaster

How Radiation Threatens Health

As worries grow over radiation leaks at Fukushima, is it possible to gauge the immediate and lasting health effects of radiation exposure? Here's the science behind radiation sickness and other threats facing Japan...

March 15, 2011 — Nina Bai

What Happens During a Nuclear Meltdown?

Nuclear reactors at the Fukushima Daiichi station in Japan are critically endangered but have not reached full meltdown status. Our nuclear primer explains what that means and how the situation compares with past nuclear accidents...

March 15, 2011 — John Matson

How to Cool a Nuclear Reactor

Japan's devastating earthquake caused cooling problems at one of the nation's nuclear reactors, and authorities scrambled to prevent a meltdown

March 11, 2011 — David Biello

Fukushima Crisis Worsens as U.S. Warns of a Large Radiation Release

A top U.S. nuclear regulator has now given a dire assessment of Japan's nuclear crisis, saying that radiation from uncovered spent fuel at the Fukushima Daiichi plant could force emergency workers to abandon their fight to prevent meltdowns there...

March 17, 2011 — Peter Behr and ClimateWire
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