News tagged with continent

Cracking the ice code

(Phys.org) —What happened the last time a vegetated Earth shifted from an extremely cold climate to desert-like conditions? And what does it tell us about climate change today?

May 20, 2013
3.8 / 5 (8) 2 | with audio podcast

Rare particles give clue to ancient Earth

(Phys.org) —Semi-precious minerals found in a bucket of sand from an island nation have cracked open a clue to the drifting movements and break-up of ancient Earth's massive continental plates.

May 16, 2013
4.2 / 5 (6) 0

Scientists may have found Brazilian 'Atlantis'

Brazilian geologists announced the discovery, 1,500 kilometers (900 miles) from Rio, of what could be part of the continent that was submerged when the Atlantic Ocean was formed as Africa and South America ...

May 07, 2013
4.9 / 5 (22) 6

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.

Mar 06, 2013
not rated yet 0