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Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Type C killer whales in the Ross Sea. The eye patch slants forward. Type C killer whales in the Ross Sea. The eye patch slants forward.
Blood Cell Blood Cell
Photos of starving children, such as this child in Somalia, haunt Americans and other members of the ... Photos of starving children, such as this child in Somalia, haunt Americans and other members of the ...
Prescriptions for common analgesics used in dentistry. Prescriptions for common analgesics used in dentistry.
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Structural comparison of human blood vessels and the direction of blood flow through them Structural comparison of human blood vessels and the direction of blood flow through them
Video: How to make cDNA Animation

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