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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).