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.
Lead, the "useful metal," was the pride of the Romans. For the last 5,000 years, it was used in products ranging from water pipes and makeup to wine — until we discovered how poisonous it is.
"The World According to Sound" podcast brings us to Southern California near the Salton Sea where unique geothermal conditions allow for "mud pots" — caldrons of thick, muddy water bubbling with the release of hot water and gas from deep underground.
A former coal executive was sentenced Wednesday to a year in prison and fined $250,000. In December, ex-Massey Energy CEO Don Blankenship was found guilty of conspiring to violate federal mine safety laws.
At a military lab in Hawaii, researchers are solving a puzzle. Thousands of bones in 208 boxes — the bones of Americans who died during the Korean war — are all mixed together. Identifying those who served is nearly impossible. Now after more than two decades, new forensic technology is making it possible. And it's just in time for the remaining brothers and sisters of those who died in Korea more than six decades ago.
A black hole with about 17 billion times the mass of our sun has turned up in another remote galaxy. Astronomers now think these mass-eating monsters may not be so rare after all.
Research indicates when a partner dies happy and contented, that stays with the other person a long time, but when a partner dies unhappy and in pain, those feelings stay with the other one, too.
Writing her own story, with support from peers, helped Cassandra Steptoe shed the shame she felt in her diagnosis and find psychological healing instead. Now she's inspiring others to do the same.
NPR's Audie Cornish speaks to Kelly Hoffman, a doctoral student in social psychology at the University of Virginia. Hoffman recently published a paper that links disparities in pain management to racial bias.
Before there were digital computers, there were "human computers," women who used pencils and paper to do the math that helped carry the U.S. into space. Nathalia Holt tells their story in a new book.
At the Heartland Biogas Project, spoiled milk, old pet food and vats of grease combine with helpful bacteria in massive tanks to generate gas. It's all thanks to anaerobic digestion.
Chicago has a bad rat problem and it gets worse when demolitions happen on old buildings. Residents of a Chicago neighborhood decided to counter the rat invasion with natural enemies — feral cats.
Renewable energy has a problem — the wind doesn't always blow and the sun doesn't always shine when we use electricity the most. Batteries can store energy for later, but companies are looking for cheaper alternatives. Three reporters examine technologies that employ air, salt and ice.
Scientists say, "our results suggest that ritual killing helped humans transition from the small egalitarian groups of our ancestors, to the large stratified societies we live in today."
Children with a depressed parent do worse in school than peers, a study finds. But other research shows that early diagnosis and treatment can help turn that around for the whole family.
Whether it's olive oil that's not so extra-virgin or burgers with a hint of horse meat — Chris Elliott, founder of the Institute for Global Food Security, explains how his laboratory uncovers fraud.