https://thenextweb.com/science/2018/04/25/scientists-can-now-keep-brains-alive-without-body/
https://timehuman.blogspot.com/2010/09/video-of-dogs-head-kept-alive-without.html
https://www.quora.com/Is-it-possible-to-keep-a-human-brain-alive-without-its-body-If-so-how-long-could-it-be-kept-living-if-not-forever
https://www.reddit.com/r/askscience/comments/i3meo/would_it_be_possible_to_keep_a_severed_human_head/
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https://www.thoughtco.com/head-guillotined-individual-remain-briefly-alive-1221876