Starcast Join the waitlist
What The If?

by Philip Shane, Matt Stanley, Gabrielle Paniccia

What The If?

Learn how to think like EINSTEIN! Every week we learn science running imaginative thought experiments. Our brilliant guests are some of the world’s greatest science fiction writers, scientists & science communicators. Leap into a journey to answer the most fascinating question in the universe: What The IF?

Coming soon to iPhone. Already have it? “Open in Starcast” takes you straight there.

Who’s been on

Latest episodes

  1. Photosynthetic YOU!Oct 23, 2026 · 35m
  2. The Sloth Life Is A GOOD Life!Oct 16, 2026 · 40m
  3. Who The If is MATT!Oct 3, 2026 · 42m