Octopus falls for elliptical replacement as in the US
Plain-body octopus can be duplicated to think a fake arm themselves Sumire Kawashima and Yuzuru Ikeda / University of the Ryukyusus Like people, octopuses can be tricky in an illusion that makes them think a fake arm is true to them. First shown in the late 1990s, the iliut of rubber rubber involves concealing a…