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
Poor eyesight (myopia) is associated with higher IQ.
232
We share 70% of our DNA with a slug.
218
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Every human spent about half an hour as a single cell.
144
The average sperm cell swims at 8 inches per hour.
4
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218