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
The strangers in your dreams are actually people that you've seen in real life.
50
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
The largest breed of rabbit is the Flemish Giant.
65
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13