The strangers in your dreams are actually people that you've seen in real life.
50
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
The most common name in the world is Mohammed.
213
Standard paper cannot be folded in half more than 7 times.
232
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
The song 'Strawberry Fields Forever', sung by the Beatles, refers to an orphanage located in Liverpool.
79
Wearing red increases attraction.
30
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k