Last week, we stayed in Eze, a small medieval village in the French Riviera. Eze is perched on a hillside, roughly 420 meters (1,400 feet) above sea level. Near the entrance to our hotel, I noticed a sign labeled the Friedrich Nietzsche Path. The German philosopher apparently stayed in the …

### Problem Solving

# Be more like a fly and less like a bee

Imagine a glass bottle with its base pointed toward a light. If you put half a dozen bees and flies into the bottle, which species would find their way out first? Most people assume the answer is bees. After all, bees are known for their intelligence. They can learn highly …

# Most Stanford students fail this challenge. Here’s what we can learn from their mistakes.

You’re a student in a Stanford class on entrepreneurship. Your professor walks into the room, breaks the class into different teams, and gives each team five dollars in funding. Your goal is to make as much money as possible within two hours and then give a three-minute presentation to the …

# What you can learn from this centuries-old math mystery

In 1637, Pierre de Fermat scribbled a note on a textbook margin that would baffle mathematicians for more than three centuries. Fermat had a theory. He proposed that there’s no solution to the formula an + bn = cn for any n greater than 2. “I have a truly marvelous …