An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3