Once upon a time (around 300 million years ago), Earth was home to massive dragonfly-like insects and two meter long millipede-like creatures. Why did they die off?
Guests: Ned Snelling, professor of experimental physiology at the University of Pretoria; Jon Harrison, professor of environmental physiology at Arizona State University
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Sep 16
What happened before the big bang?
It's a question that seems impossible to grapple with, but scientists won't take no for an answer. In this collaboration with Scientific American, we take on the big bang and a whole bunch of seemingly impossible questions. Guests: Rachel Feltman, host of the Science Quickly podc ... Show More
26m 28s
Sep 14
What's the oldest story ever told?
An astrophysicist uses the motion of the stars to argue that a single story has been told for 100,000 years. A cognitive anthropologist has questions. Guests: Ray Norris, astrophysicist; Manvir Singh, cognitive anthropologist at the University of California, Davis For show transc ... Show More
27m 18s
May 2025
AUA: Changing Dark Energy, Twin Paradox, and What's Next for CERN
<p>We answer your questions. To listen to our backlog of ask-us-anything episodes for free, head to our Patreon, or join for $3/month to submit your questions: https://www.patreon.com/whythisuniverse</p><p><a rel="payment" href="https://patreon.com/whythisuniverse">Support the sh ... Show More
54m 36s