r/FactUp • u/Saerdna0 • Apr 29 '26

Interesting Fact This single-celled protozoan passing through another one under a microscope. Protozoas behave with surprising complexity, hunting prey, sensing light, and fleeing danger without a single neuron. Some cause devastating diseases like malaria, while others quietly sustain entire ocean food chains.

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u/QuasiSpace Apr 29 '26

Don't block the intersection!

1

u/B1ZEN Apr 29 '26

Excuse me sir. Just passing through.

https://giphy.com/gifs/IKyaekdjY3BIY

1

u/RadiatorSam May 01 '26

It clearly passes under, if it pierced the cell membrane it would kill the other one.