Today on the podcast: 00:00 Possible Signature Of Life Detected On Exoplanet The Webb Space Telescope picked up traces of dimethyl sulfide on planet K2-18b. On Earth, the molecule comes from microbes and phytoplankton. 12:00 A Colossal Squid Video Researchers captured the first confirmed video of a colossal squid swimming in its natural habitat—almost 2,000 feet deep.