The Truth About Petri Dishes 🧫

From MinuteEarth.

One of the best ways of studying bacteria is to grow them on a petri dish, but only a tiny percentage of bacterial species will grow on them. The other 98% of them simply refuse to.

To learn more about this topic, start your googling with these keywords:
– Petri dish: a shallow, circular, transparent dish with a flat lid, used for the culture of microorganisms.

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Lizah van der Aart | Script Writer, Narrator and Storyboard Artist
Cameron Duke | Director
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Šmajs, David, et al. “Genetics of Human and Animal Uncultivable Treponemal Pathogens.” Infection, Genetics and Evolution, vol. 61, 22 Mar. 2018, pp. 92–107,

Visick, Karen L., et al. “A Lasting Symbiosis: How Vibrio Fischeri Finds a Squid Partner and Persists within Its Natural Host.” Nature Reviews Microbiology, vol. 19, no. 10, 1 Oct. 2021, pp. 654–665,,