Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Yawns are more contagious among people with closer relationships.
163
In one day, adult lungs move about 10,000 litres of air.
11
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
The world's shortest man measures only 21.5 inches.
73