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Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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The human body produces and destroys 15 million blood cells every second.

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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Global view of Mars as seen by the Viking 1 orbiter in 1980, showing the Valles Marineris (center) Global view of Mars as seen by the Viking 1 orbiter in 1980, showing the Valles Marineris (center)
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
World Regions in Global Context: Peoples, Places, and Environments World Regions in Global Context: Peoples, Places, and Environments
Idealized Global Circulation Idealized Global Circulation
Calculate the physical variables Calculate the physical variables
Global air circulation patterns and their effects on climate. Global air circulation patterns and their effects on climate.
Video: Pneumonia Animation

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