Ancient wisdom often sounds like common sense now that it is commomly taught. What is some ancient wisdom that we no longer teach because it was wrong?

https://lemmy.world/post/10108279

Ancient wisdom often sounds like common sense now that it is commomly taught. What is some ancient wisdom that we no longer teach because it was wrong? - Lemmy.World

This question inspired by this post. [https://startrek.website/pictrs/image/02e01421-b3b6-4211-ba50-e5c2d812f0a8.jpeg?thumbnail=1500&format=webp].

Check out the history of bird migration science. There was everything from birds going to the moon for winter, swallows burrowing in the mud, transmorphing to different species, up to the 19th century
Add to that where people thought bugs and vermin come from. Obviously they spring fully formed for dirt and muck. Even rats come from rotting grain.
Sounds stupid, but not worse than tiny animals in your blood making you sick (germ theory), or basically anything from cosmology from the Big Bang to dark energy