There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
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Only about 2% of the world population has green eyes.
36
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
A cow produces around 200,000 glasses of milk in her lifetime.
373
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3