Brian Cox: 3 Billion Years of Slime 🧫🌍 | Why Intelligent Life Might Be Rare

Microbes? Probably everywhere. Complex, intelligent life? Not so much. Brian Cox breaks down Earth’s history of life and explains why intelligent civilizations might be vanishingly rare — even in a galaxy teeming with planets. 📺 Clip Source: Joe Rogan Experience #1233 - Brian Cox 🎙️ Speaker: Prof. Brian Cox #BrianCox #JoeRogan #AlienLife #RareEarth #3BillionYearsOfSlime #Astrobiology #FermiParadox #ScienceShorts #JRE #Shorts