You, your brain and your mind.

What Makes You Uniquely "You"?
''Some of the most profound questions in science are also the least tangible. What does it mean to be sentient? What is the self? When issues become imponderable, many researchers demur, but neuro scientist Gerald Edelman dives right in. ...'' [source, more about Edelman]

Why Are Humans Different From All Other Apes? It’s the Cooking, Stupid
''Apes began to morph into humans, and the species Homo erectus emerged some two million years ago, Mr. Wrangham argues, for one fundamental reason: We learned to tame fire and heat our food. ...'' [source]

Air Force Looks for ‘Core Algorithms’ of Human Thought
''The latest effort comes from the Air Force Office of Scientific Research, which is looking to build “mathematical or computational models of human attention, memory, categorization, reasoning, problem solving, learning and motivation, and decision making.” The ultimate goal, according to a recent request for research proposals, is to “elucidate core computational algorithms of the mind and brain.”'' [source]