Rebecca Hersher

Thirteen so-called Superfund sites were flooded last week. NPR visited six of these old industrial sites, and talked to people who live nearby about the the possible contamination spreading.

As the medical and mental health needs of people affected by Harvey become apparent, Texas has made it easier for out-of-state health workers to come lend a hand.

Poor neighborhoods on the northeast side were hit hard by the storm. But residents say they received little help evacuating, and now they are struggling to get basics: food, water and information.

Poor neighborhoods on the northeast side of Houston were hit hard by the floods. But residents say they received little help evacuating, and now they are struggling to get basics like food, water and information.

People with kidney failure typically need dialysis every other day to stay healthy. Delays in treatment can quickly become life-threatening.

Emergency evacuation orders have been issued for Houston due to massive flooding. That's left families scrambling to pack some belongings and figure out where they'll go.

Wildfires are still burning in western Greenland, close to the Arctic island's ice sheet. As the fires burn, they release black particles that can coat the ice and snow, and make it melt more quickly.

New research suggests that when puppies have more attentive, active mothers, they're more likely to fail guide-dog training.

Haiti's capital city doesn't have a sewer system. Instead, so-called nightsoil, or human excrement, is largely removed by hand by workers who toil at night under cover of darkness.

What went wrong with Haiti's sanitation plan? The story involves the queen of Spain, the "sanitation champion" and the man with the worst job in the world.

Port-au-Prince, Haiti, is known for its terrible traffic, partly caused by lack of reliable street lights. So drivers there have come up with their own complicated language.

Many people with Alzheimer's suffer medical and mental health issues that have nothing to do with memory loss, including slow healing, incontinence, paranoia and depression.

When Greg O'Brien found out he'd be a grandfather, he was excited. He was also sad. His granddaughter, he knew, would never know the real him.

Since ancient times, philosophers and scientists have viewed emotions as innate. In the latest Invisibilia, a psychologist argues that emotions spring from the sum of our experiences, not just wiring.

Despite support from the World Health Organization for the latest adult ADHD screening survey, some researchers worry that it will lead to over-prescribing of powerful amphetamines.

A review of child deaths after fatal car crashes found wide variations by state and region, and suggests state authorities could radically decrease child deaths by changing traffic safety laws.

Inflatable beds are increasingly popular, and their soft, impermeable surfaces, increase risk of sudden infant death. But they are often the only bed that a family can afford.

Health and Human Services Secretary Tom Price is touring communities that have been hit hard by painkiller overdoses and heroin. He says, when it comes to opioid abuse, "We're losing as a nation."

Old Italian violins like those made by Stradivari are famous for their ability to project their sound. But a study found people in a blind test thought new violins projected better than old ones.

Fasting every other day is no better for losing weight or keeping it off than restricting calories every day, a study suggests. And it's yet another example of how hard it is to study fasting.