More people in the world have access to a mobile phone than to a toilet.

Chocolate was consumed as a bitter beverage by the Aztecs long before it was made into solid bars.

The concept of hell as a place of punishment varies dramatically across world religions — Buddhism's naraka is temporary, not eternal.

The Olympic rings represent five inhabited continents.

The tradition of the white wedding dress was popularized by Queen Victoria in 1840 — before that, brides wore any color.

Shakespeare invented over 1,700 words still used today, including 'bedroom,' 'lonely,' 'generous,' and 'obscene.'

Humanity continues to grow despite global challenges.

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

Wealth inequality exists in nearly every country.