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
Diamonds mined in Brazil are harder than those found in Africa.
40
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
"Strategic incompetence" is the art of avoiding certain tasks by pretending you don't know how to do them.
16
Q-Tip Cotton Swabs were originally called Baby Gays.
55


