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Video: Three Mile Island, what really happened?

The current nuclear crisis in Japan has reminded many Americans of the 1979 partial meltdown at Three Mile Island in Pennsylvania. Elaine Quijano looks back at what really happened.

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Was a Nuclear Renaissance Possible Before the Japan Disaster?

It's highly unlikely that you're going to see any new nuclear power plants built any time in the future, given the now worsening situation at Fukushima. But knee-jerk reactions to the accident are not what's really to blame for the inevitable decline in nuclear production

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MOX Battle: Mixed Oxide Nuclear Fuel Raises Safety Questions

The nuclear reactors at the Fukushima Daiichi power station in Japan that were crippled by the March 11 earthquake and tsunami are a lot like reactors in the U.S. They are a common, if not exactly modern, General Electric design that harnesses nuclear fission to boil water and drive steam turbines to generate electricity.

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Japan’s Two Incompatible Power Grids Make Disaster Recovery Harder

The huge disaster in Japan has ruined parts of the nation's electrical system, notably the six Fukushima Daiichi reactors that remain shut down. As a result, the country's utilities can't generate enough power to meet demand, so they are using rolling blackouts to give some power to everyone for some portion of each day.

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Robots Arrive at Fukushima Nuclear Site with Unclear Mission

As workers race to stave off further melting at the Fukushima Daiichi nuclear reactors in Japan , several robots there are waiting on the sidelines for an opportunity to help. Questions remain, however, regarding how these units might assist in an ongoing emergency at a site contaminated with radiation and deluged with tons of corrosive seawater . [More]

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Sperm grown in a test tube

By Janelle Weaver Researchers in Japan have made fertile mammalian sperm in a culture dish, a feat long thought to be impossible. [More]

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Inspired by a teammate, Watson helps a country

Bubba Watson was moved when he heard about the earthquake and tsunami that caused so much destruction in Japan, and he began thinking about a contribution to the relief efforts, just as he did with Haiti earthquake.

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Video: Survivors struggle in Japan

Almost two weeks after disaster struck Japan, thousands of displaced survivors are still struggling to find adequate food, water and shelter in the face of disease and radiation scares. Lucy Craft reports from Tokyo.

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Low-Dose Radiation Risks Unknown

By Gwyneth Dickey Zakaib One thing is certain about the human costs of the radiation leaking from the Fukushima Daiichi nuclear plant in Japan: they will pale in comparison to the catastrophic consequences of the March 11 earthquake and tsunami that triggered the crisis. [More]

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Radioactive particle traces from Japan reach Iceland

By Fredrik Dahl and Alister Doyle VIENNA/OSLO (Reuters) - Miniscule numbers of radioactive particles believed to have come from Japan's crippled Fukushima nuclear power plant have been detected as far away as Iceland, diplomatic sources said on Tuesday. [More]

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Summer blackouts loom for Japan’s economic heartland

By Risa Maeda TOKYO, March 22 (Reuters) - Japan's economy may not feel the harshest blow from this month's disasters until summer, when surging power demand could spark a new round of power blackouts in Tokyo and its neighbouring prefectures which account for 40 percent of the country's GDP.

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