If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14