Bonus: Why does coffee spoil faster than tea?...

How can the same element make both pencil lead and diamonds? This week we wrap up our pencil chemistry mini-series by answering a surprisingly tricky question: how do erasers actually erase? Then we dive into one of chemistry’s coolest ideas. Graphite and diamond are both made en ...  Show more

#158 Rebroadcast Gemstones come in all sorts of colors, but how do they get them? Are different stones super different at the molecular level? How do these different colors happen naturally? And how can those colors be replicated in lab-made gemstones? Let's get into it. Referenc ...  Show more

What is chemistry? Neil deGrasse Tyson and comedian Chuck Nice take fan questions on exothermic reactions, PFAS, ice cream, sugar, fire, and more with Kate Biberdorf, aka Kate the Chemist.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 

On this special episode of BFE, we bring you our favorite podcast moments with The Home Edit’s Sumner Canfield. Do you know the story of how Sumner first met Clea and Joanna? How about her first very memorable day on the job? And let’s really dig into her love of Coca-Cola. It’s ...  Show more

Send us Fan MailIn Episode 139 of Book Talk, Etc., Tina and Renee share their possible 5+ star reads. They also share what they've been loving lately, their latest reads, and have book talk about trying to find 5-star reads. If you enjoy this episode, be sure to FOLLOW/SUBSCRIBE ...  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!