Yawns are more contagious among people with closer relationships.
163
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
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Every human spent about half an hour as a single cell.
144
The average person's skin weighs twice as much as their brain.
131
Gorillas can catch human colds and other illnesses.
205
There are about 255 babies born worldwide every minute.
46