Images of little green aliens are everywhere: Area 51, bongs, your ‘90s chain wallet. But why did we start depicting extraterrestrials that way? ELT uncovers the moment that beamed little green aliens into our homes (and hearts).

Guests: sociologist of science Pierre Lagrange; Kentucky resident Bill Thomas; literature professor Roger Luckhurst.

Special thanks to caller Willie. Thanks also to Sarah Scoles and Geraldine Sutton Stith.

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