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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

A skeletal mount of an African Lion attacking a Common Eland on display at The Museum of Osteology, A skeletal mount of an African Lion attacking a Common Eland on display at The Museum of Osteology,
Two modes of evolutionary change. Two modes of evolutionary change.
Record the AC frequency as shown on the meter and subtract 50 from the reading (e.g., 60.50 -50.00 = ... Record the AC frequency as shown on the meter and subtract 50 from the reading (e.g., 60.50 -50.00 = ...
Tree rings as indicators of environmental change Tree rings as indicators of environmental change
Hormonal change during ovulation and urinear cycles Hormonal change during ovulation and urinear cycles
The effect of selection on allele frequency The effect of selection on allele frequency
Video: Deafness Culture

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