Books evolutionary biology Science Impressions of “A Hunter-Gatherer’s Guide to the 21st Century: Evolution and the Challenges of Modern Life,” by Heather Heying and Bret Weinstein January 30, 2022Leave a Comment on Impressions of “A Hunter-Gatherer’s Guide to the 21st Century: Evolution and the Challenges of Modern Life,” by Heather Heying and Bret Weinstein