Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
On average, the life span of an American dollar bill is eighteen months.
33
Sunflowers can be used to clean up radioactive waste.
17
Standard paper cannot be folded in half more than 7 times.
232
"Strategic incompetence" is the art of avoiding certain tasks by pretending you don't know how to do them.
16