The word 'nerd' was first coined by Dr. Seuss in 'If I Ran the Zoo' in 1950.

In sumo wrestling, the ring (dohyo) is considered sacred and purified with salt before each tournament.

Celtic mythology featured a world beyond death called the Otherworld — not a punishment but a paradise.

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

About 65% of people prefer texting over talking on the phone.

You are more likely to meet someone with your birthday than you expect.

In Japanese aesthetics, wabi-sabi is the acceptance and appreciation of imperfection, impermanence, and incompleteness.

The sitar, fundamental to Indian classical music, has 21 strings — 7 played and 14 sympathetic.

Social norms influence everyday behavior.