There’s a whole lot going on inside our head that we don’t understand. Don’t feel bad, there are a lot of world-class experts that are just as puzzled about what makes the human brain tick. Bret Stetka tries to unravel what we actually do know in his new book called A History of the Human Brain – From the Sea Sponge to CRISPER, How Our Brain Evolved. Bret Stetka is the editorial director at Medscape, the professional division of Web MD. He is also a contributor to NPR and Scientific American. I asked him why he took on the daunting task of trying to explain the human brain. (more…)