How did we get here and who else is out there? These questions have nagged at humans for centuries. On today's episode of Distillations we explore early debate over the Big Bang Theory and find out what tools researchers are using to greet aliens.

SHOW CLOCK

00:00 Opening Credits

00:33 Introduction

01:19 Debating the Big Bang Theory

03:48 The Interstellar Rosetta Stone

11:35 Closing Credits

CREDITS

Special thanks to Andrew Stelzer and James Voelkel for researching this show. Additional credits available at chemheritage.org/distillations.