A man's beard grows fastest when he anticipates sex.
239
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
It takes approximately 12 hours for food to entirely digest.
93
Your thumb is about the same size as your nose.
124
Pain occurs when sounds are above 130 db.
124
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 average person's skin weighs twice as much as their brain.
131
The human brain is more active during sleep than during the day.
28