Japan nuke plant spews more radiation into sea

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The operator of a tsunami-disabled nuclear plant says radiation measuring several million times the legal limit has leaked into the sea over the past few days.
Tokyo Electric Power Co. said Tuesday that samples taken from seawater near one of the reactors contained 7.5 million times the legal limit for radioactive iodine on April 2. Two days later, that figure dropped to 5 million.
The readings were taken closer than before to where tainted water has leaked, and did not necessarily reflect a worsening of recent contamination. Other measurements several hundred yards (meters) farther away from the plant have declined, to levels about 1,000 times the legal limit.
Experts have said radiation dissipates quickly in ocean, but that it's unclear what effects of large amounts of contamination will be.