The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
A cow produces around 200,000 glasses of milk in her lifetime.
373
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Your thumb is about the same size as your nose.
124
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140