Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A cow produces around 200,000 glasses of milk in her lifetime.
373
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Only about 2% of the world population has green eyes.
36
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82