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Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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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.

Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
Goblet cells that line the intestine Goblet cells that line the intestine
Examples of Ways That Different Types of Intersections of Two Line Segments Can Be Transformed into Examples of Ways That Different Types of Intersections of Two Line Segments Can Be Transformed into
Faces in experiment Faces in experiment
Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ... Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ...
Fuel should be heard returning to the fuel tank at the fuel return line if the fuel-pump and ... Fuel should be heard returning to the fuel tank at the fuel return line if the fuel-pump and ...
Video: Introduction to Human Immunodeficiency Virus (HIV)

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