When Middle East respiratory syndrome erupted in South Korea, people started wearing masks everywhere, even at weddings. So how good are these masks at stopping MERS or even the flu?
The giant reptile was taken from Isabela Island in Ecuador's Galápagos archipelago as part of an early effort to sustain the species, which is native only to the remote Pacific island chain.
Treated sewage water accounts for half the water used by Israel's farms. Entrepreneurs are experimenting with ways to cut costs and to ensure that the 86 percent of wastewater that's recycled is safe.
The Fitnet app uses your phone's camera to analyze your workout and give feedback. Next step is a live trainer on the other end. The hitch: Your Internet speed likely needs to be 40 times faster.
The popularity of antlers as rustic décor is threatening deer and elk in the Pacific Northwest. The animals can naturally shed antlers, but some people harass or kill animals to get at prized racks.
The push for cleaner fuels in Oregon and Washington could bring the region more crude oil and a new refinery along the Columbia River. It would be the first refinery on the West Coast in 25 years.
The annual Man v. Horse Marathon in Wales sounds like a lopsided contest favoring racers with four feet. But scientists say that Homo sapiens evolved to be incredible endurance athletes, too.
The new rules, yet to be finalized, were expected to cut greenhouse gas emissions by a quarter by the year 2027.
Hormones from medical treatments wind up in wastewater, and that can be a problem. Some scientists think a version of a household chemical, hydrogen peroxide, could be part of the solution.
"We had crows literally come down and tap me on the head, trying to scare me," a man says of crows that aggressively swoop at humans.
Cosmologist Sean Carroll tackles a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.
Psychologist Laura Carstensen says that as people get older, they usually become less stressed and more content.
Dan Gilbert shares research on what he calls the "end of history illusion," where we think the person we are right now is the person we'll be for the rest of time. Hint: that's not the case.
The American chestnut is poised to return — as a bionic, blight-resistant tree. Scientists hope to plant about 10,000 transgenic plantlets to pollinate trees in the "wild."
Planned Parenthood has an app that offers discreet help for Californians seeking to get tested for chlamydia or gonorrhea.
To stop elephant slaughter in Africa, zoologist Sam Wasser spent years extracting DNA from elephant dung and tissue. Much of the world's poached ivory, he discovered, comes from just three places.
NPR's Melissa Block speaks to John Carr of Georgetown University's Initiative on Catholic Thought and Public Life about Pope Francis' call to moral action on climate change.
Catholics across the nation are reacting to a sweeping encyclical issued by Pope Francis on the issue of climate change. The 184-page papal letter explains that it is a global problem with far reaching environmental and social ramifications.
Pope Francis blames climate change on apathy, political shortsightedness and a pursuit of profits. In a papal encyclical, he calls climate change one of the principal challenges facing humanity today.
An expert forager has a video and an app for finding weeds to make the ultimate locally grown salad. But even a master foraging app might not lead an amateur to success.