Meet Daniel Tammet, math genius who can recite 22,514 digits of Pi, perform difficult calculations one would usually need a computer to resolve, speak 10 different languages and also happen to be autistic.
Sailing stones, also called sliding or moving rocks is a geological phenomenon where rocks tend to move and leave long tracks into a valley surfaces like deserts without human or animal intervention.
Daylight saving was first introduced by European countries during World War I, with much of the U.S. joining the party in 1918. The idea was that more hours of daylight would "conserve coal for the war effort.
