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Did you know?

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

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Nitrogen fluxes in Sycamore Creek, Arizona (data from Grimm 1988). Nitrogen fluxes in Sycamore Creek, Arizona (data from Grimm 1988).
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Type II curve. Mortality does not vary with age. Data for five-lined skink (Eumeces fasciatus). Type II curve. Mortality does not vary with age. Data for five-lined skink (Eumeces fasciatus).
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