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Turns out that for 7,000 years, snacking on nutsedge may have helped people avoid tooth decay. But at some point, the root it lost its charm. By the 1970s, it was branded "the world's worst weed."

Phil Liggett and Paul Sherwen have covered the Tour de France, the sport's most grueling race, together for decades and have developed a rapport that viewers appreciate.

Maybe we can learn from fish — they don't call a group of them a school for nothing. Researchers found that when 2 fish swim together, they make better decisions than when 2 fish are swimming alone.

David Greene talks to actor Kurt Russell about the Portland Mavericks, a 1970s independent baseball team created by Kurt's father Bing. Battered Bastards is a documentary about the team.

The Afghan presidential election has been a financial disappointment. Businesses say revenue is down, and even companies you'd think would make money off a campaign, say they're in the red.

The former Italian prime minister, who was sentenced to seven years last year for sex with a minor and an attempted cover-up, has been acquitted by an appeals court.

Many clinics closed because of a new requirement that doctors at those clinics obtain admitting privileges at hospitals near the clinics. Many doctors couldn't comply.

The ruling of the 10th Circuit Court of Appeals in Denver mirrors the same court's decision regarding a gay-marriage ban in Utah. It has been stayed, pending likely appeal.

A number of AIDS researchers, activists and officials were on Flight MH17, headed to the International AIDS Conference when the plane was shot out of the sky. Here's how Twitter spread the news.

Kindle Unlimited will give readers access to over 600,000 titles for $9.99 a month. The service was short on newer releases when it launched Friday.