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

The Sydney Opera House features a distinctive shell-like design.

Poverty traps occur when poverty itself prevents people from acquiring the resources to escape it.

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

Aboriginal Australians have oral traditions and songlines that preserve ecological knowledge going back tens of thousands of years.

Social norms influence everyday behavior.

Yodeling developed in the Alps as a form of long-distance communication between mountains.

Calligraphy is considered one of the highest art forms in East Asian, Middle Eastern, and European medieval traditions.

The famous 'Wilhelm Scream' sound effect has been used in hundreds of movies since 1951.