Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
You forget 90% of your dreams.
256
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Your thumb is about the same size as your nose.
124
Mars had an oxygen-rich atmosphere around 4 billion years ago
13