Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
A human being loses an average of 40 to 100 strands of hair a day.
133
Every human spent about half an hour as a single cell.
144
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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