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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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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Tree species richness in North America is correlated with evapotranspiration rate. Tree species richness in North America is correlated with evapotranspiration rate.
A Whale shark, the world's largest fish, is classified as Vulnerable. A Whale shark, the world's largest fish, is classified as Vulnerable.
Wandering Albatrosses have the largest wingspan of any living bird. Wandering Albatrosses have the largest wingspan of any living bird.
As a young man Tecumseh was a superb hunter and warrior. His younger brother, Tenskwatawa, was awkw As a young man Tecumseh was a superb hunter and warrior. His younger brother, Tenskwatawa, was awkw
Structures of the lymphatic pathway from smallest to largest. Structures of the lymphatic pathway from smallest to largest.
Juvenile Justice In America Juvenile Justice In America
Video: DNA Sequences - Dideoxy Sequencing

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