And yet the octopus has both short and long-term memory. It can solve mazes and other simple problems. They've been observed using tools and building things. While their intellect is well-known, scientists have struggled to understand why such prodigious intelligence manifested in such an unlikely creature.
New research from Tel Aviv University (TAU) in Israel and the international Marine Biological Laboratory (MBL) may have our answer. Cephalopods have been found to be able to edit their RNA at extreme speed, allowing for rapid adaptations to environmental challenges.