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This episode first aired on December 29, 2020. Our brains don’t work the way we think they do. For example, our actions are based on predictions…

Vikki Valentine is a senior supervising editor on NPR's science desk. She oversees the network's global health and development coverage across broadcast and digital platforms. Previously, Valentine was the network's climate change, energy, and environment editor and in this role was a recipient of a 2012 DuPont Award for coverage of natural gas drilling in Pennsylvania.

In a move to curb climate change, an open letter from companies including Apple and Walmart calls on the Biden administration to cut U.S. emissions to at least half of 2005 levels by 2030.

A new study finds that hotter nights caused by human-driven climate change are eating away at hours of sleep every year.

Oceans cover three quarters of the Earth’s surface, so it’s no surprise that three quarters of volcanic activity happens on the sea floor. Understanding…

"The molecules themselves - the ones from cranberry or the ones from maple - they're not actually killing the bacteria. And that's a really interesting…

It’s estimated there are 8.7 million species alive on planet Earth today. But scientists have only named and cataloged about fifteen percent of that…

Oceans cover three quarters of the Earth's surface. Those vast waters provide food, enable global shipping and drive the global climate. They could also…

How we can use art, science and nature to help us with life's challenges.

We discuss the problem of green crabs, and a new film on the topic.