

Listener Questions #49
Daniel and Kelly answer questions about alternatives to the Big Bang, scurvy, and supercontinents.

Rewilding
Daniel and Kelly talk about the differences between conservation and rewilding, and discuss some of the successes, failures, and wild ideas that have come from the rewilding movement so far.

Can we simulate the Universe?
Daniel and Kelly talk about what a recent simulation project can tell us about how the Universe got so clumpy.

Listener Questions #48
Daniel and Kelly answer questions about crackpots, hearing meteors, and the age of everything.

Origins of life (featuring Dr. Katrine Whiteson)
Daniel, Kelly, and Katrine take on the origins of life. They discuss competing definitions for "life", whether it's even helpful to have a definition, the oldest evidence we have for life, and how we think life got started.

Should the government be hiding aliens?
Daniel and Kelly review the recent movie 'Disclosure Day' and discuss some tough questions about knowledge and secrecy.

Listener Questions #47 - Plant Questions (featuring Dr. Manuel Lerdau)
Daniel and Kelly are joined by Dr. Manuel Lerdau to answer listener questions about toxic plants, seed germination, and micropropagation.

How far can we go with chemical rockets?
Daniel and Kelly explain the limitations of chemical rockets and how physics can propel humans to the outer reaches of the solar system.

Cyclospora (and other diarrhea-inducing parasites)
It's July 2026, and the United States is dealing with an outbreak of cyclospora. Diarrhea makes people think of Kelly, so today we're dealing with the many questions Kelly has gotten about parasites in our food supplies.

Listener Questions #46
Daniel and Kelly answer listener questions about tick-induced meat allergies, experiencing quantum effects, and fibroids.