From StarTalk.

Bill Nye, Chuck Nice, and Casey Dreier discuss a recent scientific paper about a rock on Mars analyzed by the Perseverance rover. The rock shows “leopard spot” patterns and carbon-based compounds resembling biosignatures—possible evidence of ancient microbial life. Bill and Casey explain the difficulty of confirming life without contaminating Mars with Earth microbes, the challenges of the Mars Sample Return mission, and how such ambitious projects drive technological innovation and scientific progress on Earth.

From ‘Bill Nye Takes Over the Show!’: https://youtu.be/g9T6udCp-RY?si=vq2vEDI1Nnd6GQ_w

Get the StarTalk book, ‘To Infinity and Beyond: A Journey of Cosmic Discovery’ on Amazon: https://amzn.to/3PL0NFn

Support us on Patreon: https://www.patreon.com/startalkradio

FOLLOW or SUBSCRIBE to StarTalk:
Twitter: http://twitter.com/startalkradio
Facebook: https://www.facebook.com/StarTalk
Instagram: https://www.instagram.com/startalk
TikTok: https://www.tiktok.com/@neildegrassetyson