Here are some of the most interesting things I learned this year: The bacteria RB41 is known to exist in only three places: showerheads, dog noses, and paleolithic cave paintings. (The Great Indoors: The Surprising Science of How Buildings Shape Our Behavior, Health, and Happiness) An average pair of jeans requires 6 miles of thread. […] The post 52 things I learned in 2020 appeared first on Kent Hendricks.