Your thumb is about the same size as your nose.
124
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
You forget 90% of your dreams.
256
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165