People are more likely to marry someone with similar education levels.

Traditional Japanese joinery uses no nails or adhesives — wooden pieces are cut to interlock perfectly.

The Shinto shrine of Ise in Japan is demolished and rebuilt every 20 years — a tradition that has continued for 1,300 years.

A regulation NFL football must be inflated to between 12.5 and 13.5 psi.

The world's largest drum, Tridandi, is over 13 feet in diameter and weighs 2,000 kg.

More people die taking selfies than from shark attacks in some recent years.

Mozart could write music before he could write words — he composed his first piece at age 5.

The oldest known musical instruments are bone flutes found in Germany dating to at least 40,000 years ago.

The word 'checkmate' in chess comes from the Persian phrase 'Shah Mat' meaning 'the king is dead.'