Speed cubers can solve a Rubik's Cube in under 4 seconds — the world record is 3.13 seconds.

Competitive art used to be an Olympic sport.

The modern Olympic Games began in 1896 in Athens, Greece.

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

Particles can exist in multiple states until observed.

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

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

Ancient Greek athletes competed naked in the original Olympics — the word 'gymnasium' comes from the Greek for 'naked.'

In Aztec mythology, the sun and moon were created when two gods threw themselves into a fire at Teotihuacan.