The average person's skin weighs twice as much as their brain.
131
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 adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average person will go on a date at least 100 times before they finally marry.
33
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Babies crawl an average of 200m a day.
212
Yawns are more contagious among people with closer relationships.
163
The human sigh acts as a physiological reset button.
23