Why and when tickling makes us laugh is still mysterious. But researchers who studied what happens in rat brains when they're tickled say they emit ultrasonic giggles, too — when in the mood for fun.
New DNA evidence from a 4,000-year-old dumpster along the coast of Greenland suggests the paleo-Inuit or Saqqaq culture ate large amounts of whale. But how?
During the campaign, the president-elect said climate change is not real, and he rejected last year's international agreement to cut greenhouse gases.
Two monkeys with spinal cord injuries were able to move after a wireless implant restored the connection between brain and legs. But any help for people will be years away, researchers say.
Leaders from 195 nations are meeting in Morocco to come up with specific plans for carrying out a worldwide plan to reduce global greenhouse gas emissions.
Erik Vance didn't see a doctor until he was 18 years old; he grew up in a Christian Science family. As a science journalist, he explores how the mind affects the body's response to pain and disease.
A new technique that examines the evolution of taste suggests that the strong flavor of red wine may dominate the taste of some cheeses, while white varieties may be more versatile and refreshing.
Some doctors lambaste Wikipedia for errors in its medical pages. But there are many physicians, science teachers and researchers working overtime to make the crowdsourced health content better.
No need to risk sugar shock, folks. We've got a whole bunch of experiments you can do with leftover candy that are possibly more fun than eating it.
Most scientists agree, climate change is perhaps the most serious issue facing our planet today. And yet, it's uniquely difficult for us to wrap our heads around. Hidden Brain explores why.
NPR's Ari Shapiro talks to astrophysicist Adam Frank about his role as physics and philosophy adviser on Marvel's newest movie, Doctor Strange, which opened last Friday.
The masses of balls that appeared along 11-miles of coast in western Siberia were snowy and icy. Some of them were small, and some were quite large.
The magnitude 5.0 quake damaged buildings in Cushing, Okla., the largest commercial crude oil storage center in North America. No damage to oil storage facilities or nearby pipelines was reported.
Scientists are racing to create a vaccine against the Zika virus. The latest effort being tested uses inactivated virus, a technique that has been used successfully to fight other diseases.
The high cost of child care is a strain for many families in the U.S., yet child care workers average less than $10 an hour. This strain on workers hurts babies and toddlers, too, researchers say.
In North Dakota the Army Corps of Engineers met with Native American leader hoping to avoid more confrontations between police and Dakota Access Pipeline protesters.
When Hurricane Matthew hit North Carolina last month, it flooded dozens of manure lagoons at hog farms. Environmentalists say it shows that these farms are too risky for the state.
The fungus Candida auris has infected hospitalized patients with weakened immune systems or other serious conditions. Four of the seven patients died, but it's unclear if the fungus was the cause.
Our biases lead us to amend the facts. Writer Julia Galef explains how we can have better judgement by developing more empathy and testing our own beliefs.
Science has failed yet again to come with with hormonal birth control for men. The most recent study was stopped because the men weren't willing to put up with side effects like mood swings and acne.