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This summer's dry weather is drawing comparisons to the droughts of the 1950s and even the Dust Bowl years of the 1930s. Technology and techniques developed from those hard times are helping to save some of today's crops, but there's no substitute for water.

When it's hot and humid, you probably don't want to move much and aren't very hungry. The same goes for cows; but when they don't eat, farmers lose money. Using weather data, a new app called Thermal Aid detects the threat of heat stress and offers farmers tips to keep their cows healthy.

Climate change is exaggerating the normal swings in weather. For the American Southwest, that means more intense waves of heat, drought and fire that could wipe out trees that have stood for centuries. It's already revamping the ecology of the landscape.

Carole King wrote songs for others before becoming a performer and writing for herself. In her new memoir, A Natural Woman, she details the stories behind some of her most famous songs and her relationships with songwriters like James Taylor, Gerry Goffin and Paul Simon.

The movie being talked about the most at this year's Cannes Film Festival in the south of France is Michael Haneke's Amour. It's the 65th anniversary of the festival.

American athlete Allyson Felix is still weighing which events she'll focus on in London this summer. She already has two Olympic silver medals plus a relay gold. Now she wants an individual gold. To get it, she'll have to beat her arch-rival: Jamaica's Veronica Campbell Brown.

Egyptian voters go to the polls over the next two days to vote for president. There are 12 candidates but polls suggest the race is down to four men: two Islamists and two former officials in the regime of ousted President Hosni Mubarak. If no one wins at least 50 percent of the vote in the first round, a runoff will be held next month.

Disco queen Donna Summer has died of cancer at the age of 63. For many music fans, Summer's soaring voice and glittering style epitomized the excess and electricity of the 1970s. Host Michel Martin takes a look back at her music and her legacy with Mark Anthony Neal, a Duke University professor of black popular culture.

The U.S. Supreme Court hears oral arguments about the Affordable Care Act next week. The White House is gearing up to defend the policy across the country, but officials aren't talking publicly about what might happen if all or part of the law is struck down.

The Supreme Court recently said police overstepped their legal authority by planting a GPS tracker on the car of a suspected drug dealer without a search warrant. The decision set off alarm bells at the FBI, where officials are trying to determine whether they need to change the way they work.