10/23/2015

Did Dark Matter Doom the Dinosaurs?

17:24 minutes

Dark matter makes up over a quarter of the universe. It’s also invisible and difficult to directly detect. In her new book Dark Matter and the Dinosaurs, physicist Lisa Randall shares a theory that a disc of dark matter could have been responsible for the catastrophic collision that extinguished the dinosaurs.

Read an excerpt from Randall’s book here. And for more on dark matter, check out this spotlight.

Segment Guests

Lisa Randall

Lisa Randall is a physics professor at Harvard University in Cambridge, Massachusetts.

Meet the Producer

About Alexa Lim

Alexa Lim is a producer for Science Friday. Her favorite stories involve space, sound, and strange animal discoveries.

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Did Dark Matter Kill the Dinosaurs?

The invisible stuff that comprises a quarter of the universe could be more complex that previously thought.

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