By playing with the physics of wing color, scientists get a glimpse into how butterflies get their colors, and how quickly they can evolve from brown to brilliant.
Most newspapers today are delivered by adults in cars, not kids on bikes. But in Carroll, young people who want to make some money on a paper route are growing up in the right place.
The verdict is the first to be handed down against the top Khmer Rouge leadership. As many as 2 million people died in the regime's "killing fields." The two men will serve life in prison.
The soldier resented the Taliban, according to fellow soldiers. But he was apparently upset that male British troops were training female Afghan soldiers, they say.
By October, the state will have the most ambitious commercial food waste ban in the U.S. Institutions that produce more than a ton of waste a week will have to find new uses for their scraps.
Playable tests capture learning in action.
The outcome of the hearing could put more pressure on the Supreme Court to make a decision on states' same-sex marriage bans.
Snowden has been in exile for a little more than a year, after he leaked a cache of classified documents that revealed some of the United States' most deeply held security secrets.