A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
You forget 90% of your dreams.
256
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13