[Interview] This Element Is Critical for Extraterrestrial Life. And It's Not Carbon

Searching for life is complicated. Which elements are critical and which ones are not? Which can we count as biosignatures and which can occur without life? Which role does Phosphorus play in all that? 🦄 Get the extra part for free here: https://www.patreon.com/universetoday 00:00 Intro 01:36 Phosphorus and Earth life 21:42 Biosignatures and Phosphorus 38:00 Bonus part: Underwater Biology 38:51 Current obsessions 45:04 Final thoughts 📺 VIDEO VERSION https://youtu.be/Ppc3zzMTJTs 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0) Support Universe Today Podcast