Why do plants die in freezing weather?

How do you turn a weird cloudy liquid into something stronger than steel? This week we’re telling the story of Kevlar: the chemistry breakthrough that led to bulletproof vests, firefighter gear, reinforced tires, and so much more. Along the way we talk polymers, hydrogen bonding, ...  Show more

#038 Rebroadcast Helium is all fun and games right? High voice, super funny, no worries right? Or is there a serious shortage of helium? This week, Melissa and Jam answer this question. References from this episode Helium: Its Discovery and Applications – Locker We Discovered Hel ...  Show more

What is depression? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly break down the neuroscience behind major depression, its treatments, and the factors that contribute to this pervasive condition with neuroscientist Heather Berlin, PhD.

NOTE: StarTalk+ Pat ...

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!

Imagine the benefits of stem cell regeneration without needles or a high cost. Today, I'm excited to introduce Christian Drapeau, inventor of a groundbreaking plant-based stem cell product for health and longevity.

Christian is more than a scientist; he's a stem cell exp ...

Today it’s great to chat with Lori Gottlieb and Guy Winch on the podcast. Lori Gottlieb is a psychotherapist and New York Times bestselling author of Maybe You Should Talk to Someone, which has sold over a million copies and is currently being adapted as a television series. In a ...  Show more