Maybe it was messier than we thought, some scientists now say. Big brains, long legs, and long childhoods may have evolved piecemeal in different spots, in response to frequent swings in climate.
Laos' government says it needs the money the two dams will generate. But environmentalists and downstream neighbors say the dams are a major threat to fish migration and agriculture.
The U.S. is returning unaccompanied minors to their home countries. But life in Guatemala, where many of them are from, is so hard, they say they'll keep trying until they succeed.
"Bad" Web bots are going after everyone they can, but why? Because by hijacking Grandma's computer, they make it look as if she visits a site often, thus making the site more valuable to advertisers.
Iran and six world powers are saying they want to agree upon a nuclear deal this month. Troublingly, Iranian officials now appear to be laying the ground work for an excuse should the talks fail. They also don't appear to be preparing for significant reductions in its uranium enrichment capacity, which the U.S. says is critical to any agreement.
The House Ethics Committee is undoing a recent change to its annual financial disclosure form that deleted information about free trips members have taken. Members had explained the change as a way to streamline paperwork, particularly when more detailed information is available elsewhere. They decided the bad publicity wasn't worth the trouble.
While a debate rages over the future of the Export-Import Bank in Washington, D.C., the bank's potential demise has drawn warnings from the other Washington — Washington state. Ashley Gross of KPLU reports that businesses, labor unions and politicians are raising alarm bells about potentially severe consequences.
The deaths of three Israeli teenagers have sparked anger in the region. Two parents who lost children in the Israeli-Palestinian conflict explain why they are now calling for reconciliation.
The economy added 288,000 jobs in June and the unemployment rate dropped to 6.1 percent. NPR's Marilyn Geewax and The Wall Street Journal's Sudeep Reddy discuss the latest jobs report.
Senior Shiite Muslim clerics usually stay out of politics. But they've broken with tradition and issued a call to arms. Shiites are now volunteering — and dying — in the fight against Sunni Muslims.