Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
It would take more than 150 years to drive a car to the sun.
569
Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
33
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194