Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The largest breed of rabbit is the Flemish Giant.
65
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14