Podcast teasers: Egg sounds, Brussels sprout physics, praying injury, Kansas pancake

Here are four teasers — four favorite moments from recent Improbable Research podcasts. Jean Berko Gleason — The disgusting sound of soft-boiled eggs (from podcast #40): Melissa Franklin — Brussels sprouts in physics (from podcast #47): Chris Cotsapis — Injuries caused by praying (from podcast #46): Jean Berko Gleason — The flatness of Kansas and pancakes (from podcast #41):