Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The average sperm cell swims at 8 inches per hour.
4
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
‘Tree shaping’ is the art of growing trees and roots into things like bridges, chairs, “people trees”, ladders, fences, jungle gyms, tunnels, and, theoretically, could even be used to grow homes.
3
Wrap rage is an actual condition when you feel extreme levels of anger and frustration because you are unable to open product packaging.
44
The girl who voiced Lilo from "Lilo & Stitch" (Daveigh Chase) was also Samara from The Ring.
5