The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The average adult has about 21 square feet of skin.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Metric bolt (cap screw) grade markings and approximate tensile strength.
How to integrate trigonometric functions containing both tangent and secant (Question 2)