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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.