Why do we stir things to dissolve them?

Why do we stir things to dissolve them?

Up next

How do birds fly? And how is chemistry involved?!

Birds fly all the time. We see it constantly. But how does it actually work? Is it just "Bernoulli’s" principle? Is the air pushing up? Are the wings pushing down? And what’s happening at the molecular level when a bird takes off? Let’s talk about feathers, airflow, collisions be ...  Show more

Fun Fact or Fake Factoid?! Game Rematch (with Claire Caballero)

In this bonus episode, we host a rematch of our game “Fun Fact or Fake Factoid” with Claire and Jam, using stricter rules: each claim must be entirely true or false as worded, and the winner earns a treat. We test statements about pregnancy-related brain changes, koala fingerprin ...  Show more

Recommended Episodes

The Magic of Chemistry with Kate the Chemist
StarTalk Radio

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: 

  Show more

AaS! 218: How Do We Know What the Milky Way Looks Like?
Ask a Spaceman!

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!

  Show more

Why We Get Depressed with Heather Berlin
StarTalk Radio

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 ...

  Show more

Lori Gottlieb and Guy Winch || Dear Therapists
The Psychology Podcast

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