A RECENT find of fossils may help geologists break through the ice obscuring Antarctica's past. David Harwood of the University of Nebraska and his colleagues have collected fossils of marine

Research shows that a warmer earth may not melt polar ice and cause sea levels to rise, as has been feared so far.

DIAMONDS may be forever, but the dinosaurs of yore must have wished it otherwise. The glittering jewel is now being held responsible for their extinction. Canadian scientist David

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