Sports - https://piefed.social/topic/sports-fitness
Gaming - https://piefed.social/topic/gaming
Science - https://piefed.social/topic/science
Cooking - https://piefed.social/topic/food
Gardening - https://lemmy.world/c/gardening
It is understandable that you didn’t find those communities, discoverability is a real issue with Lemmy. I have tried to solve this by curating communities into groups of Topics - https://piefed.social/topics
Yup, very good idea that one 👍