Orbital Path

Mass Extinctions Get Personal

Orbital Path

Show Notes

Host Dr. Michelle Thaller talks to Prof. Lisa Randall, a theoretical particle physicist at Harvard, about her new book, Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe. The scientists explore what caused the dinosaurs’ extinction and the role dark matter plays in the universe and our world.

More from Orbital Path

Dec 21, 2018

All things in the cosmos have a lifespan, from the smallest particles to the most ancient suns. Everything has its season. Every season must come to an end.

Nov 30, 2018

Asteroids, as the dinosaurs found out, can have big effects on life on Earth.

Oct 26, 2018

To make a black hole, you need to think big. Really big.

Sep 28, 2018

On September 15, 2018, the last Delta II rocket lifted off from Vandenberg Air Force base, in California. It carried into orbit IceSat-2 — a satellite equipped with perhaps the most sophisticated space laser ever built.

Aug 31, 2018

We live our lives in three dimensions. But we also walk those three dimensions along a fourth dimension: time.

See all episodes →