Many crops we eat today are the product of genetic modifications that happen in a lab, not in nature. Scientists and consumers are divided how cautious we need to be about these foods.
Lonesome George was the last of his subspecies of giant tortoise from the Galapagos. For decades scientists tried to find him a mate, but he died alone. NPR's Adam Cole offers this elegiac tribute.
The vote came hours after Nebraska's Supreme Court cleared the way for the controversial pipeline. The GOP-controlled Senate is also considering legislation to approve the pipeline.
Many groups that oppose the Keystone XL pipeline also want, more broadly, to stop pollution-heavy extraction of crude from Canada's oil sands. They point to canceled or delayed projects as success.
Two decades ago, the region of Agbogbloshie in Ghana was a lush mangrove swamp. Now, reporter and photographer Yepoka Yeebo explains, it's a vast dump full of electronic waste and young scavengers.
President Obama in September set a formidable goal for American industry and agriculture — reduce greenhouse gases by a quarter in 10 years. But several states are ahead of the game.
Japanese sushi chefs often can't resist bluefin tuna on offer. Some American chefs can't either, even though conservation groups and marine biologists have been badgering them about bluefin for years.
The House, which has a Republican majority, is expected to vote on the controversial pipeline this week. The GOP-dominated Senate is considering a similar measure, which has bipartisan support.
Millions of deep-water fish die every year because of barotrauma, a condition divers know as "the bends." But scientists say descending devices can help fish survive a trip to the surface.