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African elephants face 'alarming declines'

African elephants face the worst crisis since global trade in ivory was banned almost a quarter-century ago, with the risk of extinction rising in worst-hit nations, conservationists said Wednesday.

dateMar 06, 2013 in Ecology
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Waste dump at the end of the world

On their mission to the moon in 1969 the Americans Neil Armstrong and Buzz Aldrin created arguably the most famous footprints ever. Since the time the astronauts of the Apollo 11 Mission stepped onto the surface of our satellite ...

dateFeb 07, 2013 in Environment
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Surveying Earth's interior with atomic clocks

Ultraprecise portable atomic clocks are on the verge of a breakthrough. An international team lead by scientists from the University of Zurich shows that it may be possible to use the latest generation of atomic clocks to ...

dateNov 12, 2012 in General Physics
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