Mentally doing a task makes you better at it. Your mind can barely tell the difference.
				18
			
			Tsunamis ( tidal waves ) travel as fast as jet planes.
				97
			
			Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
				13
			
			The chills you sometimes feel when listening to music is called "musical frisson."
				18
			
			The average cough comes out of your mouth at 60 miles per hour.
				126
			
			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
			
			A portion of the water you drink has already been drunk by someone else, maybe several times over.
				170
			
			Bamboo plants can grow up to 36 inches in a day.
				52
			
			
