Just as no one can predict the stock market, no one can really predict the economy, even if the Dow is doing great.

CNN: What does the rising Dow mean?

Berger said they record a memory being made, in an undamaged area of the brain, then use that data to predict what a damaged area "downstream" should be doing.

CNN: Brain implants: Restoring memory with a microchip

Given the serendipity behind so much innovation, it may seem like folly to predict who will change the world--but we're doing it anyway, if for no other reason than to spark creative discussion.

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