Tinkercast Presents: Adaptation & Invention Week! Just when you thought the world of wow couldn't get any weirder, Mindy and Dennis are painting eyes on cows' butts...for science! But WHY? In this Tinkercast Presents: Adaptation & Inventions week episode, Guy Raz, Mindy, and the gang uncover the Who, What, When, Where, Why, How, and Wow in the World of optical illusions and ambush predators! Want more wow? Check Wow in the World activities at https://bit.ly/3V5YCgwSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.