Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Vascular Cambium Thickens Stems and Roots 2
How to manually find the mean, variance, and standard deviation for a set of numbers
How to find the anti-derivative of a function (Part 2)
How to find the domain of a function (Part 2)
How to find the antiderivative of double-angle trigonometric functions, sin(2x), cos(2x), etc.