The tradition of painting Easter eggs has its root in Ukranian and Polish pysanky, which are eggs with ornate designs painted on using wax. The word 'pysanky' comes from the verb 'to write'.
It’s illegal to own only one guinea pig in Switzerland. (They get lonely.)
A cockroach can hold its breath for 40 minutes.
Cap’n Crunch’s full name is Horatio Magellan Crunch. He’s also been called out for only having the bars of a Navy commander, but the so-called cap’n held his ground on Twitter, arguing that captaining the S. S. Guppy with his crew “makes an official Cap’n in any book!”.
Polar bears can swim for days at a time, doing a stroke that resembles the doggy paddle. One bear was recorded as swimming for 9 straight days in the Beaufort Sea.
Israel's Dead Sea is 1,312 feet below sea level.
The Earth travels around the sun at 67,000 miles per hour (or about 30 kilometers per second.) That's about three times as fast as a rocket traveling into outer space.
In a human foot there are 26 bones.
Blue sharks bite each other to show romantic interest.
Your hair contains traces of gold.
People started wearing pajamas, originally spelled “pyjamas,” instead of nightgowns so they’d be prepared to run outside in public during World War I air raids in England.
Peanuts aren’t technically nuts. They’re legumes. According to Merriam-Webster, a nut is only a nut if it’s “a hard-shelled dry fruit or seed with a separable rind or shell and interior kernel.” That means walnuts, almonds, cashews, and pistachios aren’t nuts either. They’re seeds.