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Archaeologists excavating Egyptian tombs have found honey that is over 3,000 years old — and perfectly preserved. The chemistry of honey makes it one of the only foods that truly never expires.

Estimates put the number of stars in the observable universe at around 10²⁴ — that's a septillion. The total number of grains of sand on Earth is estimated at around 7.5 × 10¹⁸.

The peacock mantis shrimp strikes with a club-like appendage that accelerates at 10,000 g — faster than a .22 calibre bullet — generating enough force to shatter aquarium glass.

Venus rotates so slowly on its axis that a single Venusian day (243 Earth days) is longer than it takes Venus to orbit the Sun (225 Earth days).

The Mpemba effect — where hot water sometimes freezes before cold water — has puzzled scientists for decades and still lacks a complete explanation.

The human visual system can theoretically distinguish up to 10 million different colours, thanks to three types of cone cells in the retina — yet we have no names for the vast majority of them.

Beneath every forest floor lies a vast underground web of fungi connecting tree roots — the 'Wood Wide Web' — through which trees share sugars, water, and even chemical warnings.

In 1947, engineers working on the Harvard Mark II computer found a moth trapped in a relay — and taped it into their logbook with the note 'First actual case of bug being found.'

Teaching at Oxford began around 1096 AD. The Aztec city of Tenochtitlan was founded in 1325. Oxford is over 200 years older than the entire Aztec civilisation.