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Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

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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.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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