00:00Brain-jocked host?
00:01Unbelievable!
00:03This tiny invader takes control.
00:05It makes fleas swim up.
00:07They seek out the light.
00:09Predators then find them easily.
00:11It hijacks their brains.
00:13It changes their very behavior.
00:15But how does it do this trick?
00:17Scientists found something inside.
00:20It's a tiny organelle.
00:22It shouldn't exist in this parasite at all.
00:25This parasite astonishingly rewrites
00:28the water flea's survival instincts,
00:30compelling it to actively seek out predators.
00:33Link in bio.
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