--- title: "Meaning & Key Takeaway of: Pasteur noticed that a drop of liquid…" description: "\"“Pasteur noticed that a drop of liquid from the fermentation flasks gave a curious result in the microscope. When Pasteur put a glass cover slip on top..." image: "https://sms4smile.com/quotes/i/299/anne-e-maczulak-29664_pasteur_pasteur-noticed-that-a-drop-of-liquid-fr_2839981.jpg" --- # Pasteur noticed that a drop of liquid from the… ![“Pasteur noticed that a drop of liquid from the fermentation flasks gave a curious result in the microscope. When Pasteur put a glass cover slip on top of the drop, some of the microbes avoided the edges of the slip where the liquid was exposed to the air. Pasteur introduced biology to anaerobic…” quote by Anne E. Maczulak](https://sms4smile.com/quotes/i/299/anne-e-maczulak-29664_pasteur_pasteur-noticed-that-a-drop-of-liquid-fr_2839981.jpg) [Download](https://sms4smile.com/quotes/i/299/anne-e-maczulak-29664_pasteur_pasteur-noticed-that-a-drop-of-liquid-fr_2839981.jpg) [Open image](https://sms4smile.com/quotes/i/299/anne-e-maczulak-29664_pasteur_pasteur-noticed-that-a-drop-of-liquid-fr_2839981.jpg) > ““Pasteur noticed that a drop of liquid from the fermentation flasks gave a curious result in the microscope. When Pasteur put a glass cover slip on top of the drop, some of the microbes avoided the edges of the slip where the liquid was exposed to the air. Pasteur introduced biology to anaerobic bacteria. By”” [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Observing microbes revealed that some avoid air exposure, leading to anaerobic study. **In simple terms:** Microbes avoid air, prompting anaerobic research. Key Takeaway Explore oxygen‑free environments. Themes science discovery biology Mood curious analytical Type educational scientific When to use this quote - lab experiments - food preservation - medical research Key Concepts microbiology experimental method Questions to Reflect On - How does oxygen affect microbial life? - What other hidden worlds await discovery? A Different Perspective Technical limits may miss unseen microbes. ★ ★ ★ ★ ★ No ratings yet [Pasteur](https://sms4smile.com/quotes/about/pasteur/) ## Related quotes > [“During a rabies scare in 1885, Pasteur concocted a treatment and gave the untested drug to a nine-year-old boy, Joseph Meister, who had been…](https://sms4smile.com/quotes/anne-e-maczulak/during-a-rabies-scare-in-1885-pasteur-concocted-a-treatment-and-gave/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Pasteur had received an honorary degree from the University of Bonn in 1868, but returned it later during the height of French-German tension. “Today…](https://sms4smile.com/quotes/anne-e-maczulak/pasteur-had-received-an-honorary-degree-from-the-university-of-bonn/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Mighty men of science and mighty deeds. A Newton who binds the universe together in uniform law; Lagrange, Laplace, Leibnitz with their wondrous mathematical…](https://sms4smile.com/quotes/frederick-william-sanderson/mighty-men-of-science-and-mighty-deeds-a-newton-who-binds-the/) Frederick William Sanderson > [“In 1902, Marcellin P. Berthelot , often called the founder of modern organic chemistry, was one of France's most celebrated scientists—if not the world's.…](https://sms4smile.com/quotes/robert-k-wilcox/in-1902-marcellin-p-berthelot-often-called-the-founder-of-modern/) Robert K. Wilcox > [“Pasteur equally as mischief-makers. As late as 1883, Michel Peter, a Parisian physician held in high esteem by his colleagues, went so far as…](https://sms4smile.com/quotes/thomas-goetz/pasteur-equally-as-mischief-makers-as-late-as-1883-michel-peter-a/) Thomas Goetz > [A body of work such as Pasteur's is inconceivable in our time: no man would be given a chance to create a whole science.…](https://sms4smile.com/quotes/jean-rostand/a-body-of-work-such-as-pasteur-s-is-inconceivable-in-our-time-no-man/) [Jean Rostand](https://sms4smile.com/quotes/author/jean-rostand/) > [“In the course of an extended investigation into the nature of inflammation, and the healthy and morbid conditions of the blood in relation to…](https://sms4smile.com/quotes/joseph-lister/in-the-course-of-an-extended-investigation-into-the-nature-of/) [Joseph Lister](https://sms4smile.com/quotes/author/joseph-lister/) > [Disease an never be conquered, can never be quelled by emotion's willful screaming or faith's symbolic prayer. It can only be conquered by the…](https://sms4smile.com/quotes/sean-o-casey/disease-an-never-be-conquered-can-never-be-quelled-by-emotion-s/) [Sean O'Casey](https://sms4smile.com/quotes/author/sean-o-casey/) > [Pasteur will be celebrated almost as a God-like figure. This is when the moon completes her great cycle, but by other rumors, he shall…](https://sms4smile.com/quotes/nostradamus/pasteur-will-be-celebrated-almost-as-a-god-like-figure-this-is-when/) [Nostradamus](https://sms4smile.com/quotes/author/nostradamus/) > [Many older physicians had gone to their graves calling Pasteur a liar, a fool, or worse---and without examining evidence which their “common sense” told…](https://sms4smile.com/quotes/robert-a-heinlein/many-older-physicians-had-gone-to-their-graves-calling-pasteur-a-liar/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [“ Lister saw the vast importance of the discoveries of Pasteur . He saw it because he was watching on the heights, and he…](https://sms4smile.com/quotes/anonymous/lister-saw-the-vast-importance-of-the-discoveries-of-pasteur-he-saw/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [“Yet had Fleming not possessed immense knowledge and an unremitting gift of observation he might not have observed the effect of the hyssop mould.…](https://sms4smile.com/quotes/anonymous/yet-had-fleming-not-possessed-immense-knowledge-and-an-unremitting/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [“My son, all my life I have loved this science so deeply that I can now hear my heart beat for joy. { Commenting…](https://sms4smile.com/quotes/jean-baptiste-biot/my-son-all-my-life-i-have-loved-this-science-so-deeply-that-i-can-now/) Jean-Baptiste Biot > [My general theory since 1971 has been that the word is literally a virus, and that it has not been recognized as such because…](https://sms4smile.com/quotes/william-s-burroughs/my-general-theory-since-1971-has-been-that-the-word-is-literally-a/) [William S. Burroughs](https://sms4smile.com/quotes/author/william-s-burroughs/) > [When it was suggested to Pasteur that many of his great achievements depended on luck, he replied - I'm sure with more than a…](https://sms4smile.com/quotes/lewis-wolpert/when-it-was-suggested-to-pasteur-that-many-of-his-great-achievements/) [Lewis Wolpert](https://sms4smile.com/quotes/author/lewis-wolpert/) ## More by Anne E. Maczulak > [“that a given bacterial species caused a specific disease. In 1876, Koch established a set of criteria that a bacterium must meet in test…](https://sms4smile.com/quotes/anne-e-maczulak/that-a-given-bacterial-species-caused-a-specific-disease-in-1876-koch/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Pasteur had received an honorary degree from the University of Bonn in 1868, but returned it later during the height of French-German tension. “Today…](https://sms4smile.com/quotes/anne-e-maczulak/pasteur-had-received-an-honorary-degree-from-the-university-of-bonn/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Guesswork plays a part in these estimates. Bacteria exist 40 miles above the Earth and 7 miles deep in the ocean, and most of…](https://sms4smile.com/quotes/anne-e-maczulak/guesswork-plays-a-part-in-these-estimates-bacteria-exist-40-miles/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“During a rabies scare in 1885, Pasteur concocted a treatment and gave the untested drug to a nine-year-old boy, Joseph Meister, who had been…](https://sms4smile.com/quotes/anne-e-maczulak/during-a-rabies-scare-in-1885-pasteur-concocted-a-treatment-and-gave/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“The pH rises in the intestines and bacterial numbers increase a millionfold from about 1,000 cells per gram of stomach contents, which to a…](https://sms4smile.com/quotes/anne-e-maczulak/the-ph-rises-in-the-intestines-and-bacterial-numbers-increase-a/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“commented on the future of antibiotic drugs. Perhaps, Fleming mused, a time would come when anyone with real or perceived illness could get penicillin.…](https://sms4smile.com/quotes/anne-e-maczulak/commented-on-the-future-of-antibiotic-drugs-perhaps-fleming-mused-a/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“around, some microbiologists have suggested that classifying bacteria by species is futile. It seems as if all bacteria belong to one mega-species, and different…](https://sms4smile.com/quotes/anne-e-maczulak/around-some-microbiologists-have-suggested-that-classifying-bacteria/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Skin bacteria in these places degrade the sweat’s sebaceous oils to a mixture of small fatty acids and nitrogen- and sulfur-containing compounds, all of…](https://sms4smile.com/quotes/anne-e-maczulak/skin-bacteria-in-these-places-degrade-the-sweat-s-sebaceous-oils-to-a/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Venter concluded from a two-year study of marine microbes that for every 200 miles of ocean, 85 percent of the species, judged by unique…](https://sms4smile.com/quotes/anne-e-maczulak/venter-concluded-from-a-two-year-study-of-marine-microbes-that-for/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“No one knows the number of bacterial species. About 5,000 species have been characterized and another 10,000 have been partially identified. Biodiversity authority Edward…](https://sms4smile.com/quotes/anne-e-maczulak/no-one-knows-the-number-of-bacterial-species-about-5-000-species-have/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“(Courtesy of BioVir Laboratories, Inc.) Three years after Koch and Hesse switched to agar-based media, another assistant in the laboratory, Richard J. Petri, designed…](https://sms4smile.com/quotes/anne-e-maczulak/courtesy-of-biovir-laboratories-inc-three-years-after-koch-and-hesse/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Communities contain a messaging system in which identical cells or unrelated cells respond to each other and change their behavior. This adaptation is called…](https://sms4smile.com/quotes/anne-e-maczulak/communities-contain-a-messaging-system-in-which-identical-cells-or/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“Koch’s postulates here: The same pathogen must be present in every case of a disease. The pathogen must be isolated from the diseased host…](https://sms4smile.com/quotes/anne-e-maczulak/koch-s-postulates-here-the-same-pathogen-must-be-present-in-every/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“The enzyme lysozyme in tears and saliva kills bacteria, and skin oils contain fatty acids that inhibit gram-positive bacteria. If those defenses fail, the…](https://sms4smile.com/quotes/anne-e-maczulak/the-enzyme-lysozyme-in-tears-and-saliva-kills-bacteria-and-skin-oils/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [“The skin holds habitats that vary in moisture, oils, salts, and aeration. The scalp, face, chest and back, limbs, underarms, genitals, and feet make…](https://sms4smile.com/quotes/anne-e-maczulak/the-skin-holds-habitats-that-vary-in-moisture-oils-salts-and-aeration/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) [Explore all 18 Anne E. Maczulak quotes ](https://sms4smile.com/quotes/author/anne-e-maczulak/) ## More Pasteur quotes > [When it was suggested to Pasteur that many of his great achievements depended on luck, he replied - I'm sure with more than a…](https://sms4smile.com/quotes/lewis-wolpert/when-it-was-suggested-to-pasteur-that-many-of-his-great-achievements/) [Lewis Wolpert](https://sms4smile.com/quotes/author/lewis-wolpert/) > [Many older physicians had gone to their graves calling Pasteur a liar, a fool, or worse---and without examining evidence which their “common sense” told…](https://sms4smile.com/quotes/robert-a-heinlein/many-older-physicians-had-gone-to-their-graves-calling-pasteur-a-liar/) [Robert A. Heinlein](https://sms4smile.com/quotes/author/robert-a-heinlein/) > [“Mighty men of science and mighty deeds. A Newton who binds the universe together in uniform law; Lagrange, Laplace, Leibnitz with their wondrous mathematical…](https://sms4smile.com/quotes/frederick-william-sanderson/mighty-men-of-science-and-mighty-deeds-a-newton-who-binds-the/) Frederick William Sanderson > [My general theory since 1971 has been that the word is literally a virus, and that it has not been recognized as such because…](https://sms4smile.com/quotes/william-s-burroughs/my-general-theory-since-1971-has-been-that-the-word-is-literally-a/) [William S. Burroughs](https://sms4smile.com/quotes/author/william-s-burroughs/) > [“My son, all my life I have loved this science so deeply that I can now hear my heart beat for joy. { Commenting…](https://sms4smile.com/quotes/jean-baptiste-biot/my-son-all-my-life-i-have-loved-this-science-so-deeply-that-i-can-now/) Jean-Baptiste Biot > [“Yet had Fleming not possessed immense knowledge and an unremitting gift of observation he might not have observed the effect of the hyssop mould.…](https://sms4smile.com/quotes/anonymous/yet-had-fleming-not-possessed-immense-knowledge-and-an-unremitting/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [“ Lister saw the vast importance of the discoveries of Pasteur . He saw it because he was watching on the heights, and he…](https://sms4smile.com/quotes/anonymous/lister-saw-the-vast-importance-of-the-discoveries-of-pasteur-he-saw/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [“Pasteur had received an honorary degree from the University of Bonn in 1868, but returned it later during the height of French-German tension. “Today…](https://sms4smile.com/quotes/anne-e-maczulak/pasteur-had-received-an-honorary-degree-from-the-university-of-bonn/) [Anne E. Maczulak](https://sms4smile.com/quotes/author/anne-e-maczulak/) > [Pasteur will be celebrated almost as a God-like figure. This is when the moon completes her great cycle, but by other rumors, he shall…](https://sms4smile.com/quotes/nostradamus/pasteur-will-be-celebrated-almost-as-a-god-like-figure-this-is-when/) [Nostradamus](https://sms4smile.com/quotes/author/nostradamus/) > [Disease an never be conquered, can never be quelled by emotion's willful screaming or faith's symbolic prayer. It can only be conquered by the…](https://sms4smile.com/quotes/sean-o-casey/disease-an-never-be-conquered-can-never-be-quelled-by-emotion-s/) [Sean O'Casey](https://sms4smile.com/quotes/author/sean-o-casey/) > [“In the course of an extended investigation into the nature of inflammation, and the healthy and morbid conditions of the blood in relation to…](https://sms4smile.com/quotes/joseph-lister/in-the-course-of-an-extended-investigation-into-the-nature-of/) [Joseph Lister](https://sms4smile.com/quotes/author/joseph-lister/) > [A body of work such as Pasteur's is inconceivable in our time: no man would be given a chance to create a whole science.…](https://sms4smile.com/quotes/jean-rostand/a-body-of-work-such-as-pasteur-s-is-inconceivable-in-our-time-no-man/) [Jean Rostand](https://sms4smile.com/quotes/author/jean-rostand/) > [“Pasteur equally as mischief-makers. As late as 1883, Michel Peter, a Parisian physician held in high esteem by his colleagues, went so far as…](https://sms4smile.com/quotes/thomas-goetz/pasteur-equally-as-mischief-makers-as-late-as-1883-michel-peter-a/) Thomas Goetz > [“In 1902, Marcellin P. Berthelot , often called the founder of modern organic chemistry, was one of France's most celebrated scientists—if not the world's.…](https://sms4smile.com/quotes/robert-k-wilcox/in-1902-marcellin-p-berthelot-often-called-the-founder-of-modern/) Robert K. Wilcox > [Louis Pasteur said, 'Chance favors the prepared mind.' If you're really engaged in the writing, you'll work yourself out of whatever jam you find…](https://sms4smile.com/quotes/michael-chabon/louis-pasteur-said-chance-favors-the-prepared-mind-if-you-re-really/) [Michael Chabon](https://sms4smile.com/quotes/author/michael-chabon/) [Browse all 36 Pasteur quotes ](https://sms4smile.com/quotes/about/pasteur/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "“Pasteur noticed that a drop of liquid from the fermentation flasks gave a curious result in the microscope. When Pasteur put a glass cover slip on top of the drop, some of the microbes avoided the edges of the slip where the liquid was exposed to the air. Pasteur introduced biology to anaerobic bacteria. By”", "creator": { "@type": "Person", "name": "Anne E. 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