A sneeze can travel as fast as 100 miles per hour.
43
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
35,000 people in the U.S. will die from the flu annually.
6
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73