Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
Yawns are more contagious among people with closer relationships.
163
The human brain doesn't stop developing until about 25 years old.
102
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
The world's shortest man measures only 21.5 inches.
73
A person can live without food for about a month, but only about a week without water.
156
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111