Diplomat says minuscule fallout reaches Calif.

(AP) -- The first radioactive fallout from Japan's crippled nuclear plant reached Southern California early Friday, but the readings indicate levels far below a level that could endanger people, according to a diplomat.

Experts: Radiation not a concern for West Coast

(AP) -- Government experts are keeping a close eye on any radioactive particles that could travel from Japan to the West Coast, but insist there's no threat to public health.

The strange case of solar flares and radioactive elements

(PhysOrg.com) -- When researchers found an unusual linkage between solar flares and the inner life of radioactive elements on Earth, it touched off a scientific detective investigation that could end up protecting the lives ...

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