Ed Yong, author of I Contain Multitudes, says someday we might be able to improve our health by taking probiotics, but "we are still in the very early stages of working out how to do this."
Processed meats used in hot dogs and hamburgers are high in levels of salt and fat. Some scientists want to boost these foods' nutritional profile by adding seaweed to the meats.
These middle schoolers built a 200-pound human brain on wheels. Will it survive the eight-hour race through the streets of Baltimore?
Some genetic tests for a common cause of sudden heart failure can be wrong, researchers say, because the underlying science didn't take into account racial diversity.
Economists call it the social cost of carbon. A single number that is supposed to reflect all of the costs society incurs when people burn fossil fuels. That number is now part of federal regulations, and some industries aren't happy.
Opioids lock to a receptor in the brain that controls pain relief, pleasure and need. A new compound may offer relief without as much risk of addiction or overdose. But it's only been tested in mice.
Groups of walruses are vulnerable to disturbances, but it's hard to avoid them if you don't know where they are. A new tool from U.S. and Russian researchers draws on history to protect the animals.
An L-shaped machine in Louisiana is hunting for some of the most powerful waves in existence: gravitational waves. This wave detector acts like a giant tape measure to capture bends in space and time.
All Things Considered asked listeners to ask our resident astrophysicist big questions, so we can give you short answers. Today we explore magnetic fields and explain why they are so powerful on Earth.
The Obama administration has announced new fuel efficiency standards for trucks and buses.
Biologist Bill Streever sailed from Texas to Guatemala while doing research for his new book, And Soon I Heard a Roaring Wind. He says the wind was working against him "most of the time."
A Stanford University researcher finds that products purchased mainly by poor people were increasing in price much more quickly than those purchased by the wealthy.
Fisherman Kirk Lombard's new book teaches people to fish and forage along the northern California coast, while urging them to harvest in moderation, follow regulations and respect sea creatures.
You may love or hate 'the wave' as it sweeps through spectators at baseball, football and soccer games. But physicists say the synchronized action shows how humans are like particles.
Insurers have released the latest lists of prescription drugs they won't cover in 2017. Express Scripts is excluding 85 drugs and CVS Caremark, 131. Some drugs for diabetes and asthma are out.
William Scoville's lobotomy on patient Henry Molaison taught scientists a lot about human memory, but left Molaison with memory problems. Luke Dittrich discusses the story in his book Patient H.M.
One athlete's "psych-up" ritual may psych out an opponent. And even treatments that lack hard evidence of benefit, scientists say, might provide a competitive edge if the athletes believe they work.
Cary Fowler, senior adviser to the Global Crop Diversity Trust, talks about a giant vault of millions of seeds stored away in an icy mountain in Norway. Fowler is the author of Seeds on Ice.
Do hummingbirds migrate on the backs of geese? And will rice thrown at weddings really make birds explode? Scott Simon gets to the bottom of some bird myths with Ray Brown, host of "Talkin' Birds."
What's the best method for holding a cup of coffee so it doesn't spill? NPR's Scott Simon learned that an overhand claw-like grip is best.