Archive: 17/07/2013

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot be created within ...

dateJul 17, 2013 in Astronomy
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Germany denies military knew about PRISM

The German government Wednesday denied a report claiming that the nation's military knew for years about the US surveillance programme PRISM revealed by fugitive former intelligence analyst Edward Snowden.

dateJul 17, 2013 in Internet
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A lost frog in the lost world?

Ecotourism and Conservation - Can it work? In the context of a study in the forests of Central Guyana, a team of scientists from the Senckenberg Research Institute in Dresden investigated this very question and by chance ...

dateJul 17, 2013 in Plants & Animals
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'Brown ocean' can fuel inland tropical cyclones

In the summer of 2007, Tropical Storm Erin stumped meteorologists. Most tropical cyclones dissipate after making landfall, weakened by everything from friction and wind shear to loss of the ocean as a source of heat energy. ...

dateJul 17, 2013 in Earth Sciences
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