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Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

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

he White-throated Bee-eater, Merops albicollis is a near passerine bird in the bee-eater family Mero he White-throated Bee-eater, Merops albicollis is a near passerine bird in the bee-eater family Mero
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New England children like David, Joanna, and Abigail Mason (painted by an unknown artist around 1670 New England children like David, Joanna, and Abigail Mason (painted by an unknown artist around 1670
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For a particular cell based on the reaction:3 AgCl(s) + Al(s) → 3 Ag(s) + Al3+(aq) + 3 ... For a particular cell based on the reaction:3 AgCl(s) + Al(s) → 3 Ag(s) + Al3+(aq) + 3 ...
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