News tagged with cosmic ray

Experts say don't worry about radiation in US milk

(AP) -- So now Japan's radioactive fallout is showing up in milk on the U.S. West Coast. Not to worry, though. It turns out that traces of radioactivity are in many foods we eat, the air we breathe and the ...

Apr 01, 2011
not rated yet 1

Exploding stars and stripes

The discovery of a pattern of X-ray "stripes" in the remains of an exploded star may provide the first direct evidence that a cosmic event can accelerate particles to energies a hundred times higher than achieved ...

Mar 24, 2011
4.8 / 5 (6) 7 | with audio podcast

Missing sunspots: Solar mystery solved

The Sun has been in the news a lot lately because it's beginning to send out more flares and solar storms. Its recent turmoil is particularly newsworthy because the Sun was very quiet for an unusually long ...

Mar 02, 2011
4.9 / 5 (14) 20 | with audio podcast

Cosmic rays detect soil moisture

(PhysOrg.com) -- An instrument that uses cosmic rays to measure the moisture content in soil ultimately could prompt major improvements in weather forecasting and irrigation practices, and provide a wealth of new data about ...

Nov 17, 2010
5 / 5 (7) 1

Study adds new clue to how last ice age ended

As the last ice age was ending, about 13,000 years ago, a final blast of cold hit Europe, and for a thousand years or more, it felt like the ice age had returned. But oddly, despite bitter cold winters in ...

Sep 08, 2010
4.4 / 5 (16) 5 | with audio podcast

Microbes survive a year and a half in space

(PhysOrg.com) -- Bacteria collected from rocks taken from the cliffs at the tiny English fishing village of Beer in Devon, have survived on the outside surface of the International Space Station for 553 days. ...

Aug 25, 2010 report
5 / 5 (22) 7 | with audio podcast