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Tina Turner was born in Nutbush, Tennessee, a small rural community that she described in her 1973 hit song "Nutbush City Limits" (read more)

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Featured Article: Florence Nightingale

Florence Nightingale, 1870
Florence Nightingale (May 12, 1820 – August 13, 1910), who came to be known as The Lady with the Lamp, is the founder of modern nursing. In her day, battlefield nurses were regarded as hangers-on without any special skills. She helped create a profession that is both medically rigorous and imbued with a sense of vocation to he help the sick and injured.

Nightingale has referred to her longing and subsequent career as a "calling from God." Her decision to undertake a career in nursing was contrary to her "station in society" and defied common sense. She initially tried to ignore her calling, but suffered deep anguish. Eventually she shook free of her family's expectations. She pursued her calling with selfless service. Sometimes her own health suffered, as when she served as a nurse during the Crimean War. She would gather data about hospital conditions and created ways to present the data to administrators and doctors, seeking to demonstrate how trained nurses had a contribution to make in the care of patients. This led to her recognition as a statistician.

Popular Article: Oxygen

colorless
Oxygen (chemical symbol O, atomic number 8) is the second most common element on Earth and the third most common element in the universe. At ordinary temperatures and pressures, free oxygen (unbound to any other element) is a colorless, odorless, tasteless gas that makes up about 21% (by volume) of air. In combination with other elements, oxygen forms a variety of compounds, the most important of which is water. The Earth's oxygen continually cycles through the atmosphere, biosphere, and lithosphere, effected by such processes as photosynthesis and surface weathering.

Oxygen is essential for the respiratory function of humans, animals, plants, and some types of bacteria. If the human body is deprived of oxygen for more than a few minutes, the person's brain, heart, and other organs will suffer damage, leading to unconsciousness and death. On the other hand, relatively high concentrations of oxygen, if breathed at relatively high pressures or for prolonged periods, can have toxic effects.

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