20/09/2007

NASA researchers find snowmelt in Antarctica creeping inland

On the world's coldest continent of Antarctica, the landscape is so vast and varied that only satellites can fully capture the extent of changes in the snow melting across its valleys, mountains, glaciers and ice shelves. ...

Orphan stars found in long galaxy tail

Astronomers have found evidence that stars have been forming in a long tail of gas that extends well outside its parent galaxy. This discovery suggests that such "orphan" stars may be much more prevalent than previously ...

Dealing with threatening space rocks

Every now and then a space rock hits the world's media – sometimes almost literally. Threatening asteroids that zoom past the Earth, fireballs in the sky seen by hundreds of people and mysterious craters which may have ...

Bats may use magnetic polarity for navigation

Researchers have found that bats have a special ability to detect the polarity of a magnetic field, meaning that the creatures can tell the difference between north and south. The only other animal known to have this ability ...

The best both of worlds -- how to have sex and survive

Researchers have discovered that even the gruesome and brutal lifestyle of the Evarcha culicivora, a blood gorging jumping spider indigenous to East Africa, can’t help but be tempted by that ‘big is beautiful’ mantra ...

Gates Foundation goes after TB

The Bill & Melinda Gates Foundation, based in Seattle, has announced $280 million in grants to fight a growing tuberculosis problem.

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