By Lisa Yount
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Platonism is the main pervasive philosophy of arithmetic. certainly, it may be argued that an inarticulate, half-conscious Platonism is sort of common between mathematicians. the fundamental concept is that mathematical entities exist outdoor area and time, outdoors suggestion and topic, in an summary realm. within the extra eloquent phrases of Edward Everett, a extraordinary nineteenth-century American pupil, "in natural arithmetic we examine absolute truths which existed within the divine brain earlier than the morning stars sang jointly, and on the way to live on there while the final in their radiant host shall have fallen from heaven.
Dieses erfolgreiche einf? hrende Lehrbuch erscheint nun in der 10. Auflage. Es zeichnet sich durch eine exakte und anschauliche Darstellung aus. Der Lehrstoff ist klar gegliedert und intestine strukturiert. Auf mathematisch formale Beweise wird weitgehend verzichtet, die Herleitung wichtiger Zusammenh? nge wird jedoch dargestellt.
Gathers mathematical puzzles, difficulties, video games, and anecdotes approximately mathematical and clinical discoveries.
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Extra info for A to Z of Women in Science and Math (Notable Scientists)
0000000393 inches), in size. At this scale, scientists are often working with individual molecules. Belcher, born in Texas in 1968, at ﬁrst planned to become a physician. While attending the Uni22 versity of California at Santa Barbara (UCSB), however, she found out that she was more interested in molecules than in whole organisms. A. with highest honors from the university’s creative studies program in 1991. In her graduate work, also done at UCSB, Belcher turned from biological chemistry to inorganic chemistry (chemistry not involving the carbon-containing compounds that make up the bodies of living things)—but she studied inorganic chemistry with a biological twist.
Clements told her that the surfactant reduces surface tension, the force that pulls water molecules together on the surface of a liquid. He had concluded that a coating of surfactant on the lungs’ tiny air sacs, or alveoli, allows some air to remain in the sacs when a person breathes out. This air prevents the lungs from collapsing. Avery suspected that the premature babies’ breathing problems occurred because their lungs did not contain enough surfactant to keep the lungs inﬂated. Supporting this idea, she and coworker Jere Mead found that the surface tension in the lungs of babies who had died of what she was coming to call respiratory distress syndrome was at least four times higher than the tension in the lungs of babies who had died of other diseases.
In 1952. Soon after she ﬁnished medical school, Avery learned that she had tuberculosis, a serious disease (caused by a bacterium) that primarily aﬀects the lungs. At the time, the only available treatment was rest. Avery’s illness interested her in the lungs, and during the year she spent at home recovering, she read all she could about these organs. She found that surprisingly little was known about them. Avery returned to take her postmedical training (internship and residency) at Johns Hopkins and then followed Emily Bacon’s footsteps into pediatrics, particularly the care of newborns.
A to Z of Women in Science and Math (Notable Scientists) by Lisa Yount