During the Ice Age, it seems Neanderthals tended to chow down on whatever was most readily available. Early humans, on the other hand, maintained a consistent diet regardless of environmental changes.
Today, Code Switch's Gene Demby and Hidden Brain's Shankar Vedantam will be leading a Twitter chat to discuss what it's like to be a person of color participating in the sharing economy.
The Large Hadron Collider in Switzerland is offline, following a run-in with a small mammal that munched on a power cord.
But not just looking at skulls — reconstructing human faces from them. This forensic artist once worked several jobs, hating "every morning I got up." Then, she took a class in anthropology.
A leak of names from one of the world's most famous "adultery" sites, Ashley Madison, got social scientists thinking. They've recently tried to see if people who like to cheat in their marriages also have a propensity to cheat at work.
Mosquitoes infected with Zika haven't turned up along the U.S. Gulf Coast yet, but could thrive in the region's sultry summer weather. Pregnant women and their doctors are already taking precautions.
The Red Dragon missions are aimed at figuring out what's needed "to land large payloads propulsively on Mars." For now, the plan doesn't include sending astronauts to the red planet.
Scientists identified two genetic variants that make it more likely that a woman will give birth to fraternal twins. Knowing this might help develop safer fertility treatments.
Eighteen months after a concussion or other traumatic brain injury, two-thirds of the patients in a recent study were still sleepy during the day. And most were unaware of their symptoms.
One of the worst weeds in the world had its start as an ancient and valuable tuber used for food and medicine. Now tiger nuts are making a comeback in the health food aisle.
Brain maps constructed by MRI imaging show that language meaning is distributed throughout the brain's outer layer. And it turns out that different people organize language in similar ways.
When someone's been hurt and gets cash as part of a legal decision, health plans routinely demand to be reimbursed for medical costs they covered. But a Supreme Court ruling may hinder that strategy.
In the sharing economy, the goal to personalize the exchange can have some unintended consequences. The Hidden Brain podcast explores how discrimination plays out on AirBnB.
A nearly complete fossilized skull from Argentina helps explains the success of these giant dinosaurs that roamed some 95 million years ago.
Why are some fruits and veggies born ugly? Fighting off fungus, heat and pests can leave blemishes. Some researchers think these battle scars may actually boost the antioxidant content in produce.
There's an old saying: If you want to get something done, ask a busy person. Researchers find that busy people are more motivated to complete tasks after missing a deadline than their non-busy peers.
Sleep researchers say about 30 percent of employees at big firms are so tired they're making as many mistakes as if they were coming to work drunk. Some offices now have "napping pods."
What makes the Kavli HUMAN Project, which will follow 10,000 people over 20 years, so exciting is that it's exactly the kind of approach that can show us if Big Data really works, says Adam Frank.
The sharing economy is making online transactions far more personal, which can lead to some unintended consequences.
The National Park Service is celebrating the 100th anniversary of its creation this year. NPR spends time on the job with workers in the country's busiest national park, Great Smoky Mountains National Park, to explore the vast variety of work the park service does and the challenges it's facing.