In Ocado’s grocery warehouses, thousands of mechanical boxes move on the Hive. Are they all individual robots? Or is this one giant hive mind? • Thanks to Ocado: (this video is not sponsored, and they had no editorial control).

Reference: Strandwitz P. (2018). Neurotransmitter modulation by the gut microbiota. Brain research, 1693(Pt B), 128–133. — I should probably have put a “might” in there, but that’s a thorough review of research and I think the claim just about holds up!

Edited by Michelle Martin (@mrsmmartin)

Filmed safely:

Thanks to Grant Hurst from Casual Historian for suggesting the title:

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