As his Alzheimer's disease advances, Greg O'Brien finds his personality shifting, too. "I know I can't go back to who I was before," he says. "I've got to learn to live with the new me.
A couple is spending 365 days in the nation's most visited wilderness area to raise awareness of a sulfide-ore mining plan they say will put the watershed ecosystem in danger. Some locals disagree.
Scientists soared through clouds with a new instrument that takes 3-D pictures of the edge. What they learned about the size and density of droplets surprised them, and might lead to better forecasts.
The exhaust plume left by the booster, which was carrying a Mexican satellite into orbit, left some strange and interesting patterns in the morning sky.
What's in a name? For tech entrepreneur Dame Stephanie Shirley, bidding contracts under the name "Steve" enabled her to launch and grow a freelance software company with a virtually all-female staff.
Behavioral economist Dan Ariely says we work hard not because we have to, but because we want to. He examines the intrinsic values we need to feel motivated to work.
Psychologist Barry Schwartz says our current thinking about work focuses too much on paychecks and too little on ways we can find fulfillment — even in jobs many might consider mundane.
The Environmental Protection Agency has released its much-anticipated ozone standards. The agency is setting more stringent thresholds for the particles that contribute to smog.
The Environmental Protection Agency's new rule sets reduces the threshold for the particles that contribute to smog at 70 parts per billion, lower than than 75 ppb currently on the books. NPR's Ari Shapiro learns more from reporters Joe Wertz in Oklahoma and Mose Buchele in Texas.
NPR's Robert Siegel talks with Jeff Halverson, severe weather expert for the Capitol Weather Gang. He also teaches meteorology at University Of Maryland, Baltimore County about how and why computer models for hurricane predictions get such different results.
Drills and screws would damage the frail, 65.5-million-year-old bones of the Smithsonian's 38-foot-long Tyrannosaurus rex. So how do you make it stand? Blacksmiths in Canada are working their magic.
The movie about a stranded astronaut is being hailed for its scientific realism. Andy Weir, who wrote the book the film is based on, is a longtime computer programmer who sees romance in numbers.
A lab in Seoul is the only place in the world known to commercially clone dogs. But often the dog clones are sickly, critics say, and many other dogs are subjected to surgery in order to make a clone.
The Duponts in Louisiana loved their mutt Melvin so much they jumped at the chance to replicate him. Melvin is gone now, but he's left behind two clones, Ken and Harry.
A British study that tracked the health of thousands from childhood through midlife finds early distress to be even more potent than adult stress in predicting later diabetes and heart disease.
Republican entrepreneur Jay Faison tells NPR's Robert Siegel why his foundation, ClearPath, brought together GOP pollsters to help find a way to get Americans to take climate change seriously.
One reason is that it would take the Curiosity rover about a year to get there, even with no obstacles and no traffic. But the other reason might surprise you.
Critics say research on fetal tissue is no longer needed to answer crucial medical questions. But National Institutes of Health officials and other scientists say alternatives don't yet measure up.
A lack of crops for bees to pollinate has California's beekeeping industry on edge. Some are feeding their colonies pricey processed bee food or moving their hives out of state to forage.
Representing fields from chemistry to poetry, the 24 MacArthur Foundation Fellows will each receive $500,000 over the next five years.