If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only about 2% of the world population has green eyes.
36