On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The human brain has the capacity to store everything that you experience.
4k
A person can live without food for about a month, but only about a week without water.
156
The largest cell in the human body is the female egg and the smallest is the male sperm.
682