Even while it's true that we are tied to our molecules and proteins and neurons - as strokes and hormones and drugs and microorganisms indisputably tell us - it does not logically follow that humans are best described only as pieces and parts.

I know one lab that studies nicotine receptors and all the scientists are smokers, and another lab that studies impulse control and they're all overweight.

The more familiar the world becomes, the less information your brain writes down, and the more quickly time seems to pass.

Given the billions of neurons, this means there are as many connections in a single cubic centimeter of brain tissue as there are stars in the Milky Way galaxy.

If you ever feel lazy or dull, take heart: you're the busiest, brightest thing on the planet.

The brain internally simulates what will happen if you were to perform some action under specific conditions. Internal models not only play a role in motor acts (such as catching or dodging) but also underlie conscious perception.

Everybody knows the power of deadlines - and we all hate them. But their effectiveness is undeniable.