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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.