Our master of microscopes is always looking for rare ciliates that live in areas low in oxygen. But when he puts those samples under a growth light, his tubes quickly turn the color of the green sulfur bacteria that thrive in those anaerobic conditions.

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SOURCES:
https://www.nhm.ac.uk/discover/surviv...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.nature.com/articles/s4159...
https://www.sciencedirect.com/science...
https://phys.org/news/201306infrare...
https://arxiv.org/pdf/1304.6127.pdf
https://www.researchgate.net/profile/...
https://agupubs.onlinelibrary.wiley.c...

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