Helium is the only element that was discovered in space before found on earth.
People in China are buying bottles of fresh air from Canada because of rising pollution levels.
White chocolate isn't actually chocolate. It is comprised of cocoa butter, sugar, and milk, but no chocolate.
Astronauts aren't allowed to eat bread in space because the crumbs go everywhere—they eat tortillas instead.
New Zealand was the first country to allow women to vote.
About 65 billion neutrinos pass through your fingernail every second.
Curiosity rover, the robot that NASA sent to Mars is powered with a battery that lasts 14 years.
The Earth is smoother than a billiard ball, if both would be the same size.
A red blood cell can make a complete circuit of your body in 20 seconds.
The biggest known star in the universe is called Canis Majoris - 7,000,000,000,000,000 (7 quadrillion) Earths could fit inside.
Rubber is a main ingredient in modern chewing gum.
Nepal is the only country that has a non-rectangular flag.
Ice cream exists as 3 states of matter at once - gas, solid and liquid (air bubbles, ice crystals and milk).
There is enough water on Mars to cover the entire planet with an ocean at least 11 metres (36 feet) deep.
If the Universe reaches its Critical Velocity and begins to contract, then time will actually reverse.
In 2003, the Polynesian island of Niue created an all-island WiFi network, creating the first nationwide, free WiFi network in the world.
A woman in India once calculated the multiplication of two 13-digit numbers - 7,686,369,774,870 × 2,465,099,745,779 - correctly in just 28 seconds.
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