Ask a Chemist: Reddit's Chemistry Questions A...

MRIs are loud. They’re huge. They’re magnetic. But what are they actually doing? This week, we bring Claire back to help us connect the dots between NMR (yes, organic chem flashbacks) and MRI. How does a technique built on tiny hydrogen protons turn into a 3D image of your brain? ...  Show more

#079 Rebroadcast Glass. The more you look at it, the more clear it becomes that it holds some serious mysteries. So what really is glass? Is it a liquid? How is it different from typical solids? Does it flow and ooze over time? Is that why old windows are thicker at the bottom? L ...  Show more

What are chemical reactions like in space? Neil deGrasse Tyson and Chuck Nice team up with Kate the Chemist to explore how cesium helps us tell time, the elusive quest for the periodic table’s “island of stability,” how AI is revolutionizing chemistry, and more!

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Griefbots—artificial-intelligence-powered chat tools that simulate conversations with the deceased—are helping some people navigate loss in unexpected ways. Science writer David Berreby shares his firsthand experience with these digital companions and explores what they reveal ab ...  Show more

Love isn’t just about romance. This Valentine’s Day, we’re exploring the power of deep nonromantic bonds. Host Rachel Feltman sits down with Rhaina Cohen, a producer and editor for NPR’s podcast Embedded and author of The Other Significant Others, to discuss the history and psych ...  Show more

Scientists are tuning in to a surprising conversation happening inside us—between our gut and our brain. Host Rachel Feltman chats with Maya Kaelberer, an assistant professor at the University of Arizona’s department of physiology, to explore how intestinal cells and microbiomes ...  Show more