The first ever YouTube video was uploaded on April 23, 2005, titled 'Me at the zoo.'

People are more likely to return a lost wallet if it contains a photo of a baby.

Fact #3578 · Technology

The average cloud weighs about 1.1 million pounds — held aloft by rising warm air currents.

Fact #3802 · Technology

Satellites can read license plates from orbit under ideal conditions.

Fact #2759 · Technology

Your brain can store the equivalent of millions of gigabytes of information.

Fact #1918 · Technology

Sound travels about four times faster in water than in air.

Fact #2630 · Technology

The 2010 Eyjafjallajökull eruption disrupted European air travel.

Fact #846 · Technology

Your brain can store the equivalent of millions of gigabytes of information.

Fact #2119 · Technology

More than 90% of the world's currency exists only digitally — not as physical cash.

Fact #3800 · Technology