What is sea level rise? (with Dr. Renee Colli...

#231 Why is ice so slippery? Is it because of a layer of water on top, or is it something more complex? Join us as we dive into the chemistry behind icy surfaces, inspired by a curious 5-year-old's question. You'll hear about experimental findings, the special properties of water ...  Show more

Why can birds sit on electrical wires without getting shocked? What's the chemistry behind cake mix versus baking from scratch? Why do some materials create more fire than others? Melissa and Jam tackle these questions and more, drawn from curious listeners and the 'Explain Like ...  Show more

In the first episode of a three-part series, environmental reporter Barbara Moran is on Cape Cod to find out why the crystal clear water there is turning “pea-soup green”—and how communities are scrambling to clean it up. For more information, read WBUR’s coverage of the efforts ...  Show more

All aboard the Nathaniel B. Palmer, a research vessel making its way through the waters of West Antarctica. Journalist Sofia Moutinho is joining a team of chemists trying to find out how glacial melting is changing ocean chemistry—and what those changes might mean for the global ...  Show more

Cape Cod communities are facing an expensive mandate to clean up their wastewater. Urine diversion or “pee-cycling” could be a cost-effective pollution solution. In the third and final installment of our three-part Fascination series about Cape Cod’s “yellow tide,” environmental ...  Show more

Why is it so hard to get a picture of the Milky Way? How much of our galaxy have we mapped? What the heck is a "barred spiral" and what does that have to do with our core? I discuss these questions and more in today's Ask a Spaceman!