The Olympics weren’t ancient Greece’s only games: the Pythian, Nemean, and Isthmian contests joined them to form the Panhellenic Games.

Some species of spiders keep frogs as 'pets,' offering them shelter and protection. In return, the frogs eat insects in the burrow that would otherwise prey on the spider’s eggs.

Tomatoes, potatoes, peppers, and eggplants all naturally contain nicotine.

In Major League Baseball, pitches are so fast that the eye can't track the ball. However, the brain relies on specialized cells to calculate its trajectory, allowing the batter to make contact.

Peeing appears to be contagious among chimpanzees, hinting at deep evolutionary roots for the social behaviour observed in humans urinating together.

Robbie Williams' 2006 album Rudebox underperformed so badly that one million unsold copies were sold to a Chinese company to be recycled into road paving material.

In the US, there is a 1 in 93 chance of dying in a motor vehicle crash during your lifetime. Not wearing a seatbelt is attributed to 50% of these fatalities.