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Using gold, silicone and heart cells from a rat, scientists have made a tiny artificial stingray. The engineering involved in propelling it could help make a heart that's more than a mechanical pump.

The endorsement will come next week, a Democratic source familiar with the campaigns tells NPR's Tamara Keith.

The food industry has long marketed highly processed products to kids with characters like Tony the Tiger. But similar tactics can also work to sway school kids to eat more vegetables, a study finds.

The U.S economy added 287,000 jobs in June, according to the monthly report from the Bureau of Labor Statistics. Analysts had expected the economy to add some 170,000 jobs.

The bill requires food companies to reveal whether their products contain GMOs. But those companies are pleased, because they won't have to print "GMO" on food packages.

This presidential election, people are choosing someone they can put their faith in when terrible events inevitably happen.

As more information about the shooting that killed five police officers surfaces, we asked people from Dallas to share their stories about how conversations around race and policing are shifting.

By the time a teenager is ditching classes and hanging with wrong crowd, is it too late? One woman set out to prove that with the right support, these students can make it.

This year's World Stamp Show had plenty of examples from the developing world. For Pakistan, stamps symbolized independence. In Cuba, they celebrate the health system.

Claudia Rankine's acclaimed 2014 poetry book "Citizen" was a potent and incisive meditation on race. Rankine speaks with NPR's Lynn Neary about where the national conversation about race stands today.