28/10/2009

The Sun's Sneaky Variability

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. Clouds of gas ...

Astronomers explore 'last blank space' on map of the Universe

(PhysOrg.com) -- The most distant object ever discovered is described in this week's edition of the science journal Nature. Two international teams of astronomers report their observations of a gamma-ray burst from a star ...

Trees facilitate wildfires as a way to protect their habitat

Fire is often thought of something that trees should be protected from, but a new study suggests that some trees may themselves contribute to the likelihood of wildfires in order to promote their own abundance at the expense ...

Scientists Cryopreserve Pest-Imperiled Ash Trees

(PhysOrg.com) -- Using cryopreservation methods, Agricultural Research Service (ARS) scientists have devised a procedure for storing frozen budwood from ash trees (Fraxinus) and thawing the delicate buds for later use in ...

Yahoo sets out to regain analysts' respect

(AP) -- With its stock in a three-year funk, Yahoo Inc. set out Wednesday to persuade investors that the Internet company's struggles are nearly over.

Mirinae intensifying while moving away from the northern Marianas

Typhoon Mirinae is moving west and away from the Northern Marianas Islands on a track to a landfall in the Philippines by the weekend. As Mirinae has moved west, NASA's infrared and microwave satellite imagery have seen high, ...

page 2 from 6