Detecting DNA in space

If there is life on Mars, it's not too farfetched to believe that such Martian species may share genetic roots with life on Earth.

Radiation leak at Japan lab; small impact expected

An atomic research lab in northern Japan has reported a radiation leak that may have affected about 50 people, though none were hospitalized and no impact was expected outside the facility, the lab's operator said Saturday.

Characterizing the Moon's radiation environment

The radiation environment near the Moon could be damaging to humans and electronics on future missions. To characterize this potentially hazardous environment, the Cosmic Ray Telescope for the Effects of Radiation (CRaTER) ...

Using calorimetry to estimate absorbed dose from CT scans

In the United States, about 80 million x-ray computed tomography (CT) scans are made every year – 7 million of them on children – according to the American Association of Physicists in Medicine (AAPM). Not surprisingly, ...

AP Exclusive: Japan scientists took utility money

(AP)—Influential scientists who help set Japan's radiation exposure limits have for years had trips paid for by the country's nuclear plant operators to attend overseas meetings of the world's top academic group on radiation ...

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