6.4.1.1 Steve Benner
Channel: Are We Alone?
Date: 2021-10-04

Steve Benner (molecular biochemist). Microbial life occurred rapidly on Earth, therefore it is likely elsewhere. Intelligent life evolved only recently, therefore it is less likely elsewhere. There is both deep homology and convergence, but not the kind of convergence one can extrapolate to life elsewhere. Yes, "Are we alone?" is an important question.