Tsunamis ( tidal waves ) travel as fast as jet planes.
97
More than 10% of the world's salt is used to de-ice American roads.
54
‘Qatar’ is the world's most expensive bar of soap. Infused with gold and diamond powder, it costs a squeaky clean $2,800.
18
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
A sneeze travels out your mouth at over 100 m.p.h.!
29
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240