Your thumb is about the same size as your nose.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Lurch, a Watusi bull, had the largest horns in the world.
32