Brainless jellyfish are capable of learning
In “Brainless jellyfish are capable of learning, study suggests,” Sarah Kuta (Smithsonian Magazine) writes, “Scientists provide evidence that tiny Caribbean box jellyfish—which lack a central nervous system—can learn to navigate through mangrove roots.” [Many thanks to Peter Jordens for bringing this item to our attention.] In the warm waters of the Caribbean, box jellyfish carefully…
Source: repeatingislands.com