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Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Types of obligatory salt and water exchanges in a terrestrial animal. Types of obligatory salt and water exchanges in a terrestrial animal.
Water Potential, Solute Potential, and Pressure Potential Water Potential, Solute Potential, and Pressure Potential
Water amount needed to grow crops Water amount needed to grow crops
Is breathing water dangerous? How do you know? Is breathing water dangerous? How do you know?
Waterspouts are tornadoes that occur over warm-water bodies, instead of over land. Waterspouts are tornadoes that occur over warm-water bodies, instead of over land.
Preserve Your Vitamins! Cook your vegetables in a small amount of water Preserve Your Vitamins! Cook your vegetables in a small amount of water
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