The strangers in your dreams are actually people that you've seen in real life.
50
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
You forget 90% of your dreams.
256
Mars had an oxygen-rich atmosphere around 4 billion years ago
13