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The 2013 America's Cup isn't just about speed demons racing faster than the wind. These days, the 162-year-old international sailing competition is being powered by supercomputers. Tech teams are crunching the numbers to make small changes that mean a big difference in speed.

When animals die, their close relatives and friends may be plunged into mourning. Commentator Barbara J. King writes about animal grief in her new book, citing examples seen in animals large and small. She finds solace in the knowledge that humans are not the only animals who feel loss.

In the Islamic Republic, a woman is typically not allowed to sing solos in public unless she performs for an all-female audience and is accompanied by an all-female band. The Iranian singer known as Hani is pursuing her dream in Iraq.

The Dukes of Hazzard still inspires legions of fans. This weekend, many of those fans — and some of the show's surviving stars — descend on central Georgia for a celebration of TV's most famous good ole boys. James Best, who played Sheriff Rosco P. Coltrane, joins Rachel Martin for a look back at the show.

Critic Mark Jenkins reviews a quirky double-bill of animal documentaries. One pairs a visual poem about urban crows in Japan with a travelogue following the daily perambulations of a cat living with a German couple in an American suburb.

The Cascades frog used to occupy alpine zones from California to the Canadian border, but its range is shrinking as global temperatures increase and snowpack declines. Scientists are hiking deep into the mountains of the Northwest to study the tiny frog, which makes a call that has been described as a "chuckling" sound.

A U.S. radar system that tracks thousands of objects orbiting Earth — from satellites to harmful debris — has reportedly been slated for a shutdown. The pending shutdown of the system, run by the Air Force, is being blamed on the government's sequestration cuts.

The composer is best remembered for his operatic retelling of Arthur Miller's play The Crucible, which debuted at New York City Opera in 1961 and has since been staged all over the globe. Ward died Tuesday morning at age 95.

Social media has definitely ingrained itself into our lives, but now it's seeping into our afterlives as well. A few companies are building services to maintain your online presence once you're six feet under. One's slogan is: "When your heart stops beating, you'll keep tweeting."

The live-action adaptation of Christy Marx's '80s cartoon staple wants desperately to appeal to teenagers who live online, but it has neither the energy nor the knowledge of the landscape to do it.