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
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Tigers can see 6 times better at night than humans.
305
Human hair and fingernails continue to grow after death.
7
By weight, Bone is five times stronger than steel.
417
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The average person's skin weighs twice as much as their brain.
131