The Pittsburgh Steelers were originally called the Pirates.
50
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
If left alone, 70% of birthmarks gradually fade away.
193
There are more than 10 million bricks in the Empire State Building!
75