It’s OK to be Smart

I Traced the History of the Traffic Light. It Began 35 Million Years Ago

From It’s OK to be Smart. Thank you to Squarespace for supporting PBS. Go to https://www.squarespace.com/besmart for a free trial and use code BESMART to save 10% off your first purchase of a website or domain. ↓↓↓ More info and sources below ↓↓↓ Support us on Patreon / itsokaytobesmart Why are stop lights red? The…

2 hours ago March 10, 2026 in It’s OK to be Smart.

Where Does an Ant Colony Keep Its Brain?

From It’s OK to be Smart. Learn more about AnyDesk here: https://anydesk.com/besmart Support us on Patreon / itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓ Ant bridges, bee hives, bird flocks, fish schools and more all demonstrate how intelligent behavior can emerge from pretty stupid animals, and how that strange intelligence can solve seemingly impossible…