Only about 2% of the world population has green eyes.
36
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82