From Sixty Symbols. Astronomer Dr Emma Chapman discusses SETI (the Search for Extraterrestrial Intelligence), the Drake Equation, and other stuff about the hunt for intelligent life beyond Earth. More links and info below ↓ ↓ ↓ Biosignature video as promised – https://youtu.be/BwMPwsV_mXQ Dr Chapman: https://dr-emma-chapman.com Physics and Astronomy at The University of Nottingham http://bit.ly/NottsPhysics Previous…