Jellyfish

Deep dive into jellyfish and what makes them tick
Distribution around the globe
Impact/role on coral reefs
Ecosystem services
Any benefits to humans?
Cool facts, like that they can learn despite having no central brain!

J. Bielecki et al. Associative learning in the box jellyfish Tripedalia cystophora. Current Biology. Vol. 33, October 9, 2023. doi: 10.1016/j.cub.2023.08.056.