Since the beginning of the Obama administration, Todd Stern has been the U.S. government's chief climate negotiator. He led the team in Paris that managed to get some 200 countries to agree to the most sweeping deal ever to limit global carbon emissions. NPR's Ari Shapiro talks to Stern about what's happened since Paris and his decision to step down from the job after seven years.
Human skin has properties that are hard to mimic, but a Stanford engineer is working to create a type of artificial skin that can sense, heal and generate its own power.
Kepler, the telescope that's nearly 75 million miles away from Earth, placed itself into Emergency Mode sometime in the middle of last week.
Early in the 20th century, the world had some 100,000 tigers, according to estimates. The number fell sharply over time — but the World Wildlife Fund says it has now risen for the first time in years.
A man shows up in the emergency room with a speedy, irregular heartbeat, but can't say when it first went awry. No problem. The ER doctors just checked the phone records of his fitness tracker.
SpaceX successfully launched a rocket to resupply the International Space Station and landed the rocket on a drone ship at sea on Friday.
A resupply capsule, bearing an inflatable habitat, is en route to the International Space Station, and the first stage of the rocket that launched it has returned for a sea landing without exploding.
The city's health department wants to send ex-offenders who have been trained to be "violence interrupters" to hospitals to talk with victims. Chicago has found the program prevents repeat injuries.
After a meteor punched a huge crater into the Earth 65.5 million years ago, 70 percent of the planet's species went extinct. Today, pieces of that meteor are found all over the world.
Steve Julian is a morning anchor for KPCC-FM in Los Angeles, a playwright and a former cop. His communities are legion, and all cared deeply when he got his terminal diagnosis. How best to reach out?
A successful revival would mean not only a healthier and more balanced ecosystem, but it could also boost Cambodia's ecotourism, bringing more revenue to the national economy.
On Friday a supply rocket is scheduled to send an inflatable module to the International Space Station. The expandable technology is being developed by a private firm.
Obesity and type 2 diabetes are becoming more common all over the world. But the tiny Samoan islands now have the highest rates. An epidemiologist blames changes in diet brought on by globalization.
In Hawaii, more than 34,000 acres of forest have died from a mysterious disease. The blight is affecting a tree critical to Hawaii's natural water supply and cultural heritage.
After a study on about support for gay marriage was faked, the debunkers performed the experiment for real. This time, the results suggest canvassing door to door might reduce prejudice long-term.
Demand for sardines and other small species has exploded, with many being used as feed for livestock and fish farming. New rules aim to protect these species from overfishing off the U.S. West Coast.
Sutter Health's network has 24 hospitals and more than 5,000 doctors in Northern California — a huge share of the health care market. Big employers say Sutter has too much clout in setting prices.