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Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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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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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

An overview of the process of primary and secondary growth in a woody stem. An overview of the process of primary and secondary growth in a woody stem.
El Niño and areas of high marine primary production around the Galapagos Islands. Noti El Niño and areas of high marine primary production around the Galapagos Islands. Noti
Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
Activation of the Primary Gustatory Cortex by Taste Stimuli Activation of the Primary Gustatory Cortex by Taste Stimuli
Oil is the primary fuel for transport Oil is the primary fuel for transport
Primary growth in a root Primary growth in a root
Video: Lipid catabolism - lipolysis and beta oxidation and oxidation of fatty acids

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