We can extend our minds with the social interactions we have with other people.

So often, we assume that real thinking—serious thinking—is done alone, bent over a book or a notepad. But in fact, humans think best when they are interacting with others. Social activities like debating, storytelling, and teaching activate mental processes that remain

... See more

The simplest

multicellular animals we know are Porifera and Coelenterata (say sponges and jelly

fshes);

actually, Porifera have no Nervous System and Coelenterata have Nervous Systems with no

central organ comparable with a brain. Canadian biologist Sally Leys’s opinion (I quote by

memory) is that our concept of a Nervous System based on a brain whi... See more