Fun Facts About Your Senses You Didn’t Know

Your nose can remember 50,000 unique scents.
Eyes blink about 15–20 times per minute to refresh vision.
The eardrum moves less than a billionth of an inch for quiet sounds.
The tongue is stronger than it looks—flexible, not bony.
Humans perceive more shades of green than any other color.
Fingertips can detect textures only a few nanometers deep.
Your brain can process touch before you consciously feel it.
The scent of rain actually comes from soil bacteria.
Each nostril alternates dominance about every two hours.
Sensory neurons outnumber motor neurons nearly ten-to-one.