Youngest Kids In Class At Higher Risk Of ADHD Diagnosis
But researchers say getting the diagnosis doesn't necessarily mean that these students have the disorder.
Science
U.S., Canada Announce Shared Goals For Fighting Climate Change
President Obama and Canadian Prime Minister Justin Trudeau unveiled goals for cutting methane emissions from the oil and gas industry by more than 40 percent by 2025, among other ambitious targets.
Chew On This: Slicing Meat Helped Shape Modern Humans
Long before cooking was common, early humans needed extra energy to fuel bigger bodies and brains. Scientists say simple stone cutting tools likely allowed small-toothed meat eaters to thrive.
Scientists Report In Real Time On Challenging Zika Research
It's rare for researchers to share their data as they work, but scientists in Wisconsin are reporting on their Zika virus experiments in real time. They say it's critical for stopping the virus.
Medical Bills Still Take A Big Toll, Even With Insurance
The Affordable Care Act has increased access to doctors and helped reduce medical costs. But poll data show 26 percent of U.S. families are still struggling to pay their health care bills.
Tests Say The Water Is Safe. But Flint's Restaurants Still Struggle
The tap draws from Lake Huron. Eatery owners have bought ice, bottles and expensive filters. Large signs in windows post lead-free test results. But diners in this Michigan city are still leery.
How Google's Neural Network Hopes To Beat A 'Go' World Champion
On Wednesday in South Korea, a Google AI program will take on a top-level player in the ancient game of Go. Here's what you need to know.
Stem Cell Pioneer: Nancy Reagan Brought Alzheimer's 'Into The Public Sphere'
NPR's Kelly McEvers speaks with Dr. Hans Keirstead, a stem cell research pioneer, about former First Lady Nancy Reagan's legacy as an Alzheimer's research advocate.
Can't Get In To See Your Doctor? Many Patients Turn To Urgent Care
A recent poll shows 27 percent of Americans have visited an urgent care center in the past two years. Why? Most cite convenience.
Abuse Or The Flu? My Autistic Son Couldn't Tell Me What Was Wrong
My heart fell when a counselor called to say he was worried something bad might have happened to Nat, my severely autistic 25-year-old son. Nat has trouble talking, and was teary. What should I do?