BrainStuff Classics: Are Humans Still Evolving?

We may not have mutant powers like the X-Men, but natural selection is still changing humanity… for the better. Learn about some of humanity's most useful modern mutations in this classic episode of BrainStuff.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.