Snowball went viral in 2008, but now scientists say he can teach us about dance and social behaviour.
Primatologist Frans de Waal believes that the way humans experience emotion is not unique: “That’s a spectrum of behavior that we have, and the same thing is true for many other species.”(Image credit: AFP/Getty Images)
The drug makes the usually antisocial creatures much more interested in friendly contact with other octopuses. It’s one more sign that the chemistry of social behavior has deep evolutionary roots.(Image credit: Tom Kleindinst/Marine Biological Laboratory)