Kleenex tissues were originally used as filters in gas masks.
46
A small airplane can fly backwards.
75
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Energy is being wasted if a toaster is left plugged in after use.
21
The life boat was patented in 1845!
29
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Any modern jet is capable of breaking the sound barrier.
34