Scientists discovered fossil jaws from giant octopuses that lived 100-72 million years ago in the Cretaceous Pacific, revealing apex predators up to 20 meters long with wear patterns indicating aggressive hunting of hard-shelled prey, providing a possible biological basis for kraken legends.
A critique of an Edsinger and Dölen study on MDMA's effects on octopus social behavior, arguing the experiment lacks a placebo control group and that observed changes may result from habituation or repeated testing rather than the drug itself.