Mariah Carey is estimated to earn around $2–3 million a year in royalties from “All I Want for Christmas Is You,” making it one of the most lucrative holiday songs ever.

Despite having just 1.9% of India's population, North Korea has won more Olympic medals since the inception of the modern games.

Studies have found that serving a dip with a salty snack significantly increases calorie consumption, resulting in a 77% higher caloric intake per sitting when compared to consuming chips alone.

Kangaroos, seals, otters, and many other mammals can pause their pregnancies for several years during times of hardship, resuming them when conditions improve.

Bubble wrap was originally invented as wallpaper. It didn't sell well, so the inventors tried a number of other routes before landing on packaging material.

The five rings on the Olympic flag represent the five inhabited continents, with the Americas as one. Their colours are the most common found on flags around the world.

Your zodiac sign is likely wrong. They were created over 3,000 years ago; the Earth's tilt has since shifted, altering the constellations' positions in the sky.