Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
The most collected calls are made on Father's Day.
92
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
There are 53 Lego bricks manufactured for each person in the world.
83
In an average hour, there are over 61,000 Americans airborne over the United States.
24
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140