A man's beard grows fastest when he anticipates sex.
239
Your thumb is about the same size as your nose.
124
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 human brain has the capacity to store everything that you experience.
4k
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
By weight, Bone is five times stronger than steel.
417
You forget 90% of your dreams.
256
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23