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San Diego researchers are deploying new tools to study the Antarctic’s underwater food web.

Our guest, Tyler Cowen, has smart insights into a ridiculously wide range of subjects. Our conversation is a lightning round that touches everything from the stock market to dystopian novels.

Medical breakthroughs that were covered by newspapers were often later disproved by more comprehensive research, a study finds. That's a problem for scientists and journalists.

A floating, smelly mass of seaweed called sargassum is covering beaches in the Caribbean and areas along the Gulf of Mexico.

Iron pops up in everything from oatmeal to rib-eye. But it's not the same from every source – and how much you absorb depends in part on what you eat with it.

A study suggests large mammals must learn to migrate — and they aren't exactly quick studies. It takes decades before populations can effectively move across land to find the best food.

NPR asked teachers for stories of standout gifts — and they delivered. From laugh-out-loud funny to touching and thoughtful to just plain weird, here are a few of our favorites.

The explosion in online holiday shopping is resulting in billions of packages needing to be delivered and stressing companies like UPS, FedEx and Amazon like never before.

This episode of the Invisibilia podcast explores how people often perceive the wishes and motives of others incorrectly, as in the case of two Taiwanese brothers and their mother's tenant.

There are six separate steps in the video from Democratic Republic of the Congo — and that's not counting "abundantly" wetting your hands and lathering up.