You've got seconds to grab your audience's attention and only minutes to keep it.

The brain appears to have been designed to solve problems related to surviving in an outdoor setting, in unstable meteorological conditions, and to do so in near constant motion.

Don't start with the details. Start with the key ideas, and in a hierarchical fashion, form the details around these larger notions.

You've got seconds to grab your audience's attention and only minutes to keep it.

There is a neuron in your brain that will respond only to pictures of Jennifer Aniston - provided you have had prior visual exposure to the actress. That neuron does not respond to pictures of Bill Clinton or Halle Berry. Only Jennifer. I used the story to explain the almost ridiculous plasticity of the organ. There is no such thing as Jennifer Aniston in our evolutionary history - she was born in 1969, for heaven's sake - but we are flexible enough to devote an entire cell to her if we have previously encountered her in some fashion.

We are human because we can fantasize.

Every brain is wired differently from every other brain, and learns in ways unique to that wiring.