There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
(a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest
Areas of Mediterranean shrubland in southern California periodically burn over large areas, destroyi