How do germs spread (and why do they make us sick)? - Yannay Khaikin and Nicole Mideo

Bacterial colonies on agar are amazing, not gross! Let me tell you why I get excited when I see an agar plate full of bacteria. 🧫 Each colony has grown from 1 tiny bacterial cell or a little cluster of cells that were all stuck together when they landed on the agar. 🦠 The agar provides all the nutrients that one tiny cell needs to replicate many, many times to make millions of new identical cells until they become a visible colony. 🧫 Examining these colonies is the first step to identifying t