Why Are Human Brains Smarter Than Other Creatures?

Human brains have so many more neurons and the cerebral cortex than other creatures. There are several theories, or scientific ideas about why this happened. The most widely accepted theory is that cooking made it easier for us to digest our food. But another theory has just been revealed by a small team of scientists. Seaweed happens to be very, very healthy and nutritious. It's full of things like iodine and torine and zinc and magnesium and vitamin b 12,. So what do these nutrients actually do to you? Wolmen, in the case of seaweed, nutrients like zinc are important to help our brain learn new things and to remember them.