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AstronomySky Lights: Picture might show an extrasolar planet
A faint point of red light may be the first picture ever taken of a planet outside the solar system.
By Ron Cowen -
HumansLetters from the September 18, 2004, issue of Science News
A Pauling oversight I was surprised to find no mention of Linus Pauling’s theory of anesthesia in “Comfortably Numb” (SN: 7/3/04, p. 8: Comfortably Numb). In 1961, Pauling provided detailed arguments that interactions between anesthetic agents and water, rather than lipids, form hydrate microcrystals in the brain that entrap side chains of proteins and interfere […]
By Science News -
Staph bacteria are choosy about their iron source
Staphylococcus bacteria prefer to get their iron from heme, the ring-shaped portion of oxygen-carrying proteins such as hemoglobin.