The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
A herd of Roosevelt Elk in Redwood National and State Parks, California
Blue whale skeleton, outside the Long Marine Laboratory at the University of California, Santa Cruz