The Bandra-Worli Sea Link bridge in Mumbai has steel wires equal to the circumference of the Earth.

Photography was originally called 'sun painting' — the word comes from Greek for 'light writing.'

Competitive sailing at the Olympic level involves reading wind shifts, currents, and opponents' tactics simultaneously.

Roman gladiatorial games were often less lethal than popular culture suggests — gladiators were expensive to train.

Biomass burning — including agricultural fires — produces more greenhouse gas than global aviation.

The Reformation reshaped religious life across Europe.

Synchronized swimming, now called artistic swimming, requires athletes to hold their breath for up to 3 minutes while performing choreography.

The Roman festival of Saturnalia — involving gift-giving, feasting, and role reversals — influenced Christmas traditions.

Van Gogh sold only one painting during his lifetime.