A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Your body is creating and killing about 2.4 million red blood cells per second.
17
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
Only about 2% of the world population has green eyes.
36
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14