What makes Earth special, and why are we here at all? In his book “Why Do We Exist? The Nine Realms of the Universe That Make You Possible,” astrophysicist Hakeem Oluseyi tackles the conditions needed to put life on Earth, from the formation of stars, to self-organizing molecules, to quantum weirdness and the nature of time. He joins Host Flora Lichtman to celebrate our place in the cosmos. 

Read an excerpt from "Why Do We Exist?"

Guest: 

Dr. Hakeem Oluseyi is an astrophysicist and author of “Why Do We Exist? The Nine Realms of the Universe that Make You Possible.”

Transcripts for each episode are available within 1-3 days at sciencefriday.com.

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