Musk on the Moon

Daniel and Kelly discuss Elon Musk's recent announcement that SpaceX has shifted focus from a self-sustaining settlement on Mars to a self-growing city on the Moon.

Listener Questions #31

Daniel and Kelly answer questions about how it can both be true that humans share 98.7% of their DNA with bonobos and that fraternal twins share 50% of their DNA, why black holes don't have color charges, and whether or not you could treat a fever or let it ride.

Which planet has the most moons?

Daniel and Kelly revel in the amazing multiplicity of moons in our solar system and what they reveal about our cosmic history.

Why do animals cooperate?

Daniel and Kelly talk about the evolution of cooperation, and why humans struggle so much with isolation.

Listener Questions #30

Daniel and Kelly answer questions about sentience, chicken eggs, and the early Universe!

Why does the Universe minimize action?

Daniel and Kelly dive into one of the most important but mysterious principles of physics: least action.

Rabies

Daniel and Kelly talk about rabies, which results in very few deaths in the United States but is a neglected tropical disease - taking approximately 60,000 lives globally each year.

Bonus Episode: History Daily - The First Reported Case of the Spanish Flu

Here’s an episode of a show we think you’ll love. It’s History Daily which tells the fascinating stories of what happened “on this day” in history. New episodes come out every weekday. In this episode, it’s March 11, 1918. A US army cook becomes the first person diagnosed with the Spanish Flu, sett…

Listener Questions #29

Daniel and Kelly answer questions about bark beetles, ambipolar fields, and gray hairs!

Can cosmic rays corrupt computers?

Daniel and Kelly talk about how computers store information, and how cosmic rays might flip some vital bits.