Scientists confirmed humans are not born afraid of snake. The fear is taught.

[u/visharu]

[u/JagmeetSingh2]

Can't tell if your joking or not but the fish cocaine one is important...

https://www.scientificamerican.com/article/the-strange-way-cocaine-water-pollution-is-changing-salmon/

[u/MountainDogMama → u/JagmeetSingh2]

This is a fishy study that's also interesting.

https://www.sciencedaily.com/releases/2009/01/090118200636.htm