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.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
The thorax of apes, including humans, is broad but shallow in contrast to the narrower, deeper chest
Women who are monozygotic twins and have the same genes are more similar in their marital happiness
Pelli-Robson contrast sensitivity chart.
How lateral inhibition produces contrast enhancement. (Based on Ratliff, 1972.)
The responses of an on-center cell to contrast.
How reciprocal functions compare to the parent function