Scientists will map the quadrillion connections between the brain's neurons

the PopMechanics Brain Trust : scientist
Quadrillion sounds like a made-up number, but we assure you it's real. Those connections hold the answers to questions about mental illness, learning, and the whole nature versus nurture issue. If every one of them were a penny, you could stack them and build a tower 963 million miles high. It would stretch past Mars, Jupiter, and Saturn and stop roughly halfway to Uranus

Popular mechanics, (2012) "110 Predictions For the Next 110 Years", [online], Available: