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Home > Category Index for Science Quotations > Category Index P > Category: Poisonous

Poisonous Quotes (4 quotes)

Chlorine is a poisonous gas. In case I should fall over unconscious in the following demonstration involving chlorine, please pick me up and carry me into the open air. Should this happen, the lecture for the day will be concluded.
Quoted in Ralph Oesper, The Human Side of Scientists (1975), 192.
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If Lovelock hadn’t detected those CFCs [in the atmosphere above Antarctica] we’d all be living under the ocean in snorkels and fins to escape that poisonous sun.
As quoted in Jeff Goodell, How to Cool the Planet: Geoengineering and the Audacious Quest to Fix Earth’s Climate (2010), 95. Goodell noted that Nobel Prize-winning scientists Rowland and Molina hypothesized that sunlight split apart CFC molecules, releasing reactive chlorine atoms, that would burn a hole in the protective ozone layer of the atmosphere, increasing danger from more ultraviolet light penetrating to the earth. When the ozone hole was experimentally verified over Antarctica, the potential destruction to the planet on a grand scale was realized, CFCs were banned, and ozone depletion was halted. Rowland and Molina shared a 1995 Nobel Prize. Although earlier, Lovelock had recognized “no conceivable hazard” from CFCs in the earth’s atmosphere, he was nevertheless the first to detect them in the atmosphere over Antarctica. For this critical evidence, Lovelock was at least mentioned in the Nobel Prize press release.
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In the wilderness, people think of danger from Indians, alligators, and jaguars. They are not the things you mind. It is the mosquitoes, the poisonous ants, the maribondo wasps that are perfectly awful. It is the borrachudos and plum flies—like the black flies of the north woods, only worse … The day after I threw away my spare clothing ants ate up all my underwear. These were white ants. The driver ants try to eat the man instead of his clothes.
In National Geographic, Great Adventures with National Geographic: Exploring Land, Sea, and Sk (1963), 109. The last sentences about the white and driver ants, with slightly different wording, also appear in Theodore Roosevelt, 'A Journey in Central Brazil', The Geographical Journey (Feb 1915), 45, No. 2, 104, previously read to the Royal Geographic Society (16 Jun 1914).
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When the morning breezes blow toward the town at sunrise, if they bring with them mists from marshes and, mingled with the mist, the poisonous breath of the creatures of the marshes to be wafted into the bodies of the inhabitants, they will make the site unhealthy.
In De Architectura, Book 1, Chap 4, Sec. 1. As translated in Morris Hicky Morgan (trans.), Vitruvius: The Ten Books on Architecture (1914), 16.
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Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
Quotations by:Albert EinsteinIsaac NewtonLord KelvinCharles DarwinSrinivasa RamanujanCarl SaganFlorence NightingaleThomas EdisonAristotleMarie CurieBenjamin FranklinWinston ChurchillGalileo GalileiSigmund FreudRobert BunsenLouis PasteurTheodore RooseveltAbraham LincolnRonald ReaganLeonardo DaVinciMichio KakuKarl PopperJohann GoetheRobert OppenheimerCharles Kettering  ... (more people)

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