Jon Collins Black joins the show to talk treasure hunting. Plus, Laura explains why the color blue is very nuanced, and Rachel talks about local ants living in Manhattan. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST #honeylovepod This episode is sponsored by BetterHelp. Get 10% off your first month at: https://BetterHelp.com/WEIRDEST Make your fall finances a little greener by working towards your financial goals with Chime! Open your account in just 2 minutes at https://Chime.com/WEIRDEST Chime. Feels like progress. Learn more about your ad choices. Visit podcastchoices.com/adchoices