The brain is a physical organ—that much is clear to everyone. But how do we understand the mind and consciousness—what is it and how did it evolve? Source: Thinkstock Do you think of yourself as ...

Here is recorded version of this blog, if you prefer to listen to it: Common Brushtail Possum Source: Public Domain It is 3 a.m., and I am awake in Australia, my body stubbornly refusing to adjust to ...

"Consciousness," although challenging to define, can be thought of as a first-person awareness of one's surroundings and oneself. You sense the world through your eyes, nose, ears and hands, and track ...