The strangers in your dreams are actually people that you've seen in real life.
50
Sloths take two weeks to digest their food.
243
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
The town of Villa Las Estrellas in Antarctica is the most remote town on Earth, and there's only three computers with internet access!
6