Synchronized skating — where teams of up to 20 skaters perform together — is a competitive discipline not yet in the Olympics.

During his entire lifetime, Vincent Van Gogh is known to have sold only a single painting.

Tango originated in the working-class port neighborhoods of Buenos Aires and Montevideo in the late 19th century.

Rowing is considered one of the most physically demanding Olympic sports, requiring near-maximal effort for about 6 minutes.

About 1 in 5 people believe they have experienced a paranormal event.

Wealth inequality exists in nearly every country.

Van Gogh sold only one painting during his lifetime.

The Portuguese word 'saudade' describes a nostalgic longing for something loved and lost — it has no direct English equivalent.

The Talmud is the central text of Rabbinic Judaism — a compilation of legal, ethical, and ritual discussions.