🧵 Does technology eradicate jobs, or transform them? When VisiCalc launched in 1979, spreadsheets didn't just disrupt accounting—they redefined it. (1/4)

🧵 Feeling fuzzy-headed on your first day back after break? Your brain might be doing exactly what it's supposed to. Let me tell you about an Arctic animal that proves it... (1/5)

🧵 Got a tough problem? Try asking "why" five times. It sounds simple, but it helped solve a mystery at the Lincoln Memorial! (1/5)

🧵 Decimal points seem tiny, but put one in the wrong place and things can get expensive! An Italian airline lost millions because of a misplaced dot? (1/5)

🧵 You're probably looking forward to the weekend. But the idea of Saturday and Sunday off isn't the same everywhere. In many Muslim countries and Israel, for example, the weekend falls on Friday and Saturday. (1/5)

🧵 Ever wonder how a good story can keep you hooked? It's a trick storytellers have used for centuries. Let me tell you about Scheherazade from "The 1001 Nights"... (1/5)

🧵 Here's a puzzle nature had to solve: How do you design a bird that needs to hover in front of flowers but can't have big wings? The answer changed everything we knew about flight. (1/5)