There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain has the capacity to store everything that you experience.
4k
Human hair and fingernails continue to grow after death.
7
The human body contains over a billion miles of DNA.
147
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139