Letterman: I faced extortion over sexual affairs

David Letterman told his audience Thursday that he is the victim of an alleged extortion attempt and admitted to having sexual relations with several members of his staff, according to a press release from his production company. Letterman made the announcement during taping of the “Late Show.” “This morning, I did something I’ve never done in my life,” Letterman told his audience, according to a release from Worldwide Pants Inc

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Chicago, Rio lead 2016 Olympics host race

The International Olympic Committee was preparing Friday to elect a host city for the 2016 Summer Olympic Games, a prize so sought-after that presidents, sports legends and royalty have turned out to lobby for their country’s candidate city. Four cities on four continents are in the running as IOC members gather at Denmark’s modern Bella Center convention hall in Copenhagen.

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Oldest human skeleton offers new clues to evolution

The oldest-known hominid skeleton was a 4-foot-tall female who walked upright more than 4 million years ago and offers new clues to how humans may have evolved, scientists say. Scientists believe that the fossilized remains, which were discovered in 1994 in Ethiopia and studied for years by an international team of researchers, support beliefs that humans and chimpanzees evolved separately from a common ancestor.

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iPhone app helps track climate change

Despite the fact that some of the effects of climate change are still imperceptible to all but the most highly trained eyes, there can be no doubting the alarming picture painted by glacier melt. As these rivers of ice retreat back up the valleys they carved out, so scientists’ knowledge of climate change advances, in turn helping us recognize the signs of a warming world.

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