The human eye blinks an average of 4,200,000 times a year.
233
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
Each day, there are over 120 million sexual intercourse taking place all over the world.
301
Couples' personalities converge over time to make partners more and more similar.
235
If you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.
109
You burn more calories sleeping than you do watching television.
348
Real diamonds do not show up on x-ray.
36
If left alone, 70% of birthmarks gradually fade away.
193