There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The average person's skin weighs twice as much as their brain.
131
On average, there's 100 billion neurons in the human brain.
83
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Your thumb is about the same size as your nose.
124
By weight, Bone is five times stronger than steel.
417
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