Saturday March 18, 2017

Digging up Pharaohs, Biofuels in the Sky, Lawrence Krauss on Why We're Here

An Egyptian woman walks past the head of a statue at the site of a new discovery by a team of German-Egyptian archaeologists in Cairo's Mattarya district on March 9, 2017.

An Egyptian woman walks past the head of a statue at the site of a new discovery by a team of German-Egyptian archaeologists in Cairo's Mattarya district on March 9, 2017. (KHALED DESOUKI/AFP/Getty Images)

Listen to Full Episode 53:51

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