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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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Blood is approximately twice as thick as water because of the cells and other components found in it.

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There are 20 feet of blood vessels in each square inch of human skin.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Human Heart Model Human Heart Model
Living systems such as the human body consist of closely interrelated elements Living systems such as the human body consist of closely interrelated elements
Opener A human X chromosome highlighted using fluorescence in situ hybridization Opener A human X chromosome highlighted using fluorescence in situ hybridization
DNA-sequence alignment of contigs on human chromosome 2 DNA-sequence alignment of contigs on human chromosome 2
A systems biology model of human disease gene interactions A systems biology model of human disease gene interactions
Structure and function of human teeth. Structure and function of human teeth.
Video: Cellular slime mold life cycle Animation

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