Comedian/mathematician/YouTuber/author Matt Parker (@standupmaths) joins Jesse, Andy and Matt to talk about his new book Love Triangle: How Trigonometry Shapes the World, his podcast A Problem Squared, his Edinburgh Fringe show Getting Triggy With It, Mathstodon, a hawk that uses traffic patterns to target prey, desire paths, Earth's leaking core, the Gibeon meteor, Matt's comedy tour dates and Andy's Colorado music dates.