Earth-like exoplanet discoveries galore, including some that could be habitable. Plus, a look back at the clandestine history of the CIA’s pigeon surveillance missions.Sponsors:ZocDoc, zocdoc.com/coolstuffLinks:NASA Just Discovered a Rare Earth-Sized Planet in a Habitable Zone (ScienceAlert)NASA has discovered an Earth-sized planet orbiting in the habitable zone of its star (CBS News)NASA’s TESS Discovers Planetary System’s Second Earth-Size World (NASA)Another Earth-size exoplanet discovered in habitable zone of nearby star (The Verge)When the CIA Spied on American Citizens—Using Pigeons (Atlas Obscura)CIA unveils Cold War spy-pigeon missions (BBC)Thu. 12/09 - Birds Aren't Real (And Neither Is This Gen Z Conspiracy Theory) (Cool Stuff Ride Home)Pigeon Camera (CIA)Jackson Bird on TwitterSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.