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A 2008 view of the leading edge of the Larsen B ice shelf, extending into the northwest part of the Weddell Sea. Huge, floating ice shelves that line the Antarctic coast help hold back sheets of ice that cover land.

Massive Antarctic Ice Shelf Will Be Gone Within Years, NASA Says

What's left of the Larsen B shelf, two-thirds of which underwent a spectacular collapse in 2002, will disappear by the end of the decade, according to a new study.

Sound Effect, Episode 19: Dirt

This week we dig into ‘Dirt.’

Former Florida Gov. Jeb Bush had a tough week with his changing positions on the Iraq War and trying to explain whether he would have authorized it, knowing what we know now.

Politics Rewind: Between Iraq And A Hard Place

Jeb Bush's shifting positions on the Iraq War gave an opening to Republican rivals for the presidential nomination. And will Hillary Clinton answer questions directly on her trip to Iowa next week?

A Nepalese army chopper, which spotted the wreckage of a U.S. Marine helicopter, lands at the airport in Kathmandu, Nepal, on Friday.

All 8 Bodies Recovered From U.S. Helicopter Crash In Nepal

The bodies of six U.S. Marines and two Nepali soldiers were recovered near the crash site in remote mountains northeast of Kathmandu where the helicopter was delivering earthquake relief aid.

Words Of Wisdom: Commencement Speeches Are Back

Grad speeches are underway. Kanye West, Mary Karr and Michelle Obama offer advice on expressing opinions, fear and being black in America.

What would happen if Americans and South Africans switch diets for a week? Hint: It doesn't turn out that well for the South Africans.

What If Americans Ate Like South Africans And Vice Versa?

In a two-week diet swap, they got burgers and fries. We got kale salad and corn porridge. Guess whose bowels fared better?

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