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Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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The longest a person has survived after a heart transplant is 24 years.

Gravitational Redshift The color of light from the same object located at diffe Gravitational Redshift The color of light from the same object located at diffe
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
A midline view of the posterior and anterior pituitary and surrounding structures. A midline view of the posterior and anterior pituitary and surrounding structures.
Schematic of a flow cytometer. The laser interacts with the cell in the quartz flow cell. Three ... Schematic of a flow cytometer. The laser interacts with the cell in the quartz flow cell. Three ...
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Video: Immune responses Animation

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