# Vintage Antivaxxers, Horror Flick Psychology, Robin-Eating Bats

An episode of [The Weirdest Thing I Learned This Week](https://invisiblenetwork.ai/podcast/1377843908), 3 Dec 2025, 57 min.

Audio: https://pdst.fm/e/mgln.ai/e/135/verifi.podscribe.com/rss/p/swap.fm/track/i7NUCPwi3tJP053nG6mP/traffic.megaphone.fm/STU9429139175.mp3?updated=1764583913

Coltan Scrivner joins the show to talk about the strange empathy of horror movie enjoyers. Plus, Sara Kiley talks about bats dogfighting and devouring birds, and Rachel delves into the bizarre history of the first anti-vax movement. 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 Link to all of Jess' content: https://www.jesscapricorn.com/ -- 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 Learn more about your ad choices. Visit podcastchoices.com/adchoices

Shows are listed from Apple Podcasts' charts and directory, and Podcast Index where it is used. Every show and episode belongs to its publisher and plays from the publisher's own feed; this site hosts none of them.