Dressage — precision horse riding — scores horses and riders on over 30 individual movements in a freestyle routine.

The Mona Lisa was considered an unremarkable painting until it was stolen in 1911 — the resulting publicity made it famous.

Christianity has around 2.4 billion followers worldwide — the most followed religion.

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

The Olympic motto is 'Faster, Higher, Stronger.'.

More people die taking selfies than from shark attacks in some recent years.

The Popol Vuh is the Mayan creation myth — humanity was made from maize after earlier attempts from mud and wood failed.

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

About 60% of people live paycheck to paycheck.