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
Redheads require up to 20% more anesthesia to be knocked out.
112
Fingernails grow fastest on the hand you favor.
44
More people have a phobia of frogs than rats.
41
In one day, adult lungs move about 10,000 litres of air.
11
In the average lifetime a person will breath in about 44 pounds of dust.
21
Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
67