Writer Ben Acker @bnacker, one of the masterminds behind the Thrilling Adventure Hour, and author of Stories to Keep You Alive Despite Vampires joins Jesse and Matt to talk about color changing glass! (Sidenote, listener Mark who works with the team later emailed to say here's a link to a video of it changing color, and they're getting it analysed to see how close in material structure this is to the original Roman.) Plus why did crocodiles survive the asteroid that wiped out dinosaurs?

In the patreon bonus we talk prostates. Big ones.

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Comedian Marc Theobald (@comedyfamilyman) joins Jesse, Andy and Matt to talk about Jesse's new place, working with Tracy Morgan, manifesting, Marc's phamaceutical sales background, how honey bee stingers pump venom, what happens to bees after they sting and light-activated tattoo technology.

Writer/performer Sarah Morgan (@slmorgo) returns to the show to talk with Andy and Matt about her new horror short film Blood & Chocolate, the importance of Neil Armstrong's moon poop, Venus eating its own moon and the rainbow that was left out of The Odyssey.

Comedian Ola Dada (@showtime.dada) joins Andy, Jesse and Matt to talk about moving from Nigeria to Canada, summer nights in Alberta, Africa breaking apart faster than we thought, the true size of Africa, map projection pros and cons, the work of James McAvoy and how light during sleep can hurt your heart.

Comedian Paul Jay (@pauljaycomic) returns to the show after a 14-year hiatus to talk with Jesse and Andy about the comedy message board A Special Thing, the genius of Randy Feltface, Bobby Fingers' Depp Diorama, the surprising way that cuttlefish see color, tetrachromacy, The Baby, The Immigrant and The Guy On Mushrooms, and building a Martian home out of yeast and gelatin.

We took full advantage of our friend Katie Novotny (@katienovotnyyyyy) stuck at home recovering from surgery to get her back on the show! Her special Son of Your Dreams is free to stream on YouTube right now!

We talk about a supersonic trebuchet! A new fecal transplant story, this time for food allergies! And also if your microbiome's linked to psychopathy! Plus massively long-lived sturgeon! How other sturgeon get it on! Musician Slash getting his own snake species! How the number of species is calculated, with a bit of help from our buddy Matt Parker! And fake mermaid science!

In the Patreon bonus, there's some scientific proof of cats being dicks.

Chicago/NY comedian Luca Ferro (@lucaferrocomedian) joins the gang to talk about Dolphins using tools! And having names! Plus monkeys falling for (and "falling for") Monkey AI!

Plus in the Patreon bonus ep we find out about a newcomer to the carnivorous plant club.

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Comedian Jon Bennett (@jonbennettcomedy) joins Matt and Jesse to talk about how deep breaths can actually increase risk-taking behavior, the air on Titan being thick enough that humans could fly with strap-on wings, a bizarre new material discovered in Hiroshima bombing debris. and Jon's one-man show American't playing in Toronto through August 31st.