The Horrifying Biology of The Flood (Part One) | The Science of Halos Parasite @ThoughtPotato
The Horrifying Biology of The Flood (Part One) | The Science of Halos Parasite  @ThoughtPotato
Uploaded April 2023 | Updated September 2026, 1 week ago
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Today, we'll begin a deep dive into the biology, physiology, form, and function of The Flood parasite, as made famous in the Halo video game series.

This parasite is a horrifying example of biology run rampant, and in this video, we'll see just how *inferi redivivus* can conquer entire star systems.

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This video was edited by @CyanRameron , who does excellent work!

Sources:

- Flood transformation sequences provided by Marionette Mayhem: youtube.com/@MarionetteMayhem
- Pure form, combat form, and infection form artwork by ThemeFinland: deviantart.com/themefinland
- Bungie (2001-2010). Halo: Combat Evolved, Halo 2, Halo 3 [Video game series]. Microsoft Game Studios.
- 343 Industries (2011-present). Halo 4, Halo 5: Guardians [Video game series]. Microsoft Studios.
- Cortana (2001). "The Flood" [In-game dialogue]. In Bungie, Halo: Combat Evolved. Microsoft Game Studios.
- Gelvin, S. B. (2003). Agrobacterium-mediated plant transformation: the biology behind the "gene-jockeying" tool. Microbiology and Molecular Biology Reviews, 67(1), 16-37.
- Gohlke, J., & Deeken, R. (2014). Plant responses to Agrobacterium tumefaciens and crown gall development. Frontiers in Plant Science, 5, 155.
- Lacroix, B., & Citovsky, V. (2016). The roles of bacterial and host plant factors in Agrobacterium-mediated genetic transformation. International Review of Cell and Molecular Biology, 324, 1-34.
- Lacroix B, Citovsky V. Transfer of DNA from Bacteria to Eukaryotes. mBio. 2016 Jul 12;7(4):e00863-16. doi: 10.1128/mBio.00863-16. PMID: 27406565; PMCID: PMC4958254.
- kotaku.com/real-life-parasites-that-behave-remarkably-like-halos-m-5981553
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The Horrifying Biology of The Flood (Part One) | The Science of Halo's Parasite

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