(A) Expression profiles of development-relevant genes in the stomodeal (mouth opening) region. The stomodeum is formed by stomodeal ectoderm (orange),...
The researchers recorded the brain activity of an octopus for 12 hours. Here, the octopus is in active sleep, a stage in which there are rapid changes...
Octopuses are mollusks, a large evolutionary group to which slugs and snails also belong. Their complex brains, and those of other closely-related cep...