

Zombie fish
Daniel and Kelly talk about a brain-infecting parasite of California Killifish, and discuss how the parasite might be altering the fish's behavior to its own ends.

The several styles of singularities
Daniel and Kelly take a tour through the various singularities that are predicted by general relativity.

Listener Questions #26
Daniel and Kelly answer questions about tornadoes, water purification, and massive moons in the sky.

Perimenopause
Daniel, Kelly, and Katrine discuss what happens during menopause, why evolutionary biologists think menopause occurs, and our current knowledge of the risks of hormone therapy.

What's the densest thing in the Universe that's not a black hole?
Daniel and Kelly dive into the hearts of blue giants, massive planets, and neutron stars to reveal a surprising limit on cosmic density.

Listener Questions #25
Daniel and Kelly answer questions about kissing bugs, magnetic fields in the Sun, and microbiomes in space.

How many rogue planets and stars are there?
Daniel and Kelly answer a question from a listener about planets without stars and stars without galaxies.

How bad are microplastics?
Microplastics are everywhere. How did they get there, and should we worry?

Listener Questions #24
Daniel and Kelly answer questions about Jupiter and circadian rhythms.

How do we predict the weather?
Daniel and Kelly explain how physics predicts the future rain and shine, and all of the incredible science involved.