Some guy made a handheld 1,000 watt flashlight using LEDs. It's the world's brightest and it basically makes a pitch-dark night look like the middle of the day.
Mufasa was the last wild animal kept in a circus in Peru. The circus had him cruelly chained despite the law banning wild animals from circuses. Now he's free and back in his natural habitat after a dramatic rescue.
When Europeans crossed the ocean and colonized the New World, the native population was tragically destroyed by European diseases. But why didn't the same thing happen to Europeans? This fascinating video explains the surprising reasons why.
This is one of the coolest things the YouTube channel "Slow Mo Guys" has ever filmed in slow-mo. They built a fire inside a ring of fans to create a vortex of flame then shot it with ultra-slow-motion cameras.