160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Music is as addictive to the brain as sex and drugs.
27
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
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
It is impossible to hum if your nose is plugged.
366