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Paleobiologist Nick Pyenson is dedicated to uncovering the "hidden lives" of whales. He says that 40 million to 50 million years ago, they had four legs and lived at least part of their lives on land.

More than 1 million people are without electricity, and areas along the Gulf Coast report severe outages of cellphone service and other communications.

"History is here. All the conditions are met. The decisive agreement for the planet is now," French President Francois Hollande said Saturday.

After holding rates near zero for seven years, the Fed approved a small increase Wednesday. While that step seems minor, the impact could be huge in 2016 as borrowing costs head up.

The young female climbers became the first to scale a nearly 17,000-foot peak in Afghanistan. As jubilant as the American-led ascent was, the Afghan team's descent proved more treacherous.

David Greene revisits his 2011 trip to Libya and the period following the fall of Moammar Ghaddafi, to try to understand how the revolution unexpectedly gave way to the Islamic State's incursion.

Williams was a dervish of comedy — tossing off one-liners, biting asides and sidesplitting routines in a blizzard of accents, attitudes and goodhearted energy. He died Monday at 63.

Breweries are grappling with more weather extremes — heat waves, snowy winters, heavy rains and drought. Many are coming up with creative ways to adjust to their changing environments.

Nominations for the 67th Primetime Emmy Awards were announced Thursday. The field of contenders shows a welcome turn toward recognizing new talent and new sources for TV.

William Cohen was the Secretary of Defense under Bill Clinton and served on a panel advising President Obama on genocide prevention. He says NATO must stop the carnage in Syria.