Colts receiver Michael Pittman Jr provides update on security guard he accidentally decked on sideline








© Daniel Brenner for The New York Times

© The New York Times

© Jon Cherry for The New York Times






































Scientists say bears in southern Greenland differ genetically to those in the north, suggesting they could adjust
Changes in polar bear DNA that could help the animals adapt to warmer climates have been detected by researchers, in a study thought to be the first time a statistically significant link has been found between rising temperatures and changing DNA in a wild mammal species.
Climate breakdown is threatening the survival of polar bears. Two-thirds of them are expected to have disappeared by 2050 as their icy habitat melts and the weather becomes hotter.
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© Photograph: Alamy

© Photograph: Alamy

© Photograph: Alamy















