The strangers in your dreams are actually people that you've seen in real life.
50
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165