London is a crazy mixed-up city, navigation-wise. It's so hard find your way around that when taxi-drivers learn to, they say they've Acquired The Knowledge. And now scientists say The Knowledge actually changes drivers' brains.
Crack open the cranium of a London cab driver and you're liable to find that they're packing extra grey matter in regions of the brain responsible for spatial navigation. But this observation poses a compelling question: are the street's most brilliant cabbies made, or are they born?
Men and women have such different perspectives that many pop psychologists say they must think about the future differently too. But if that's what you believe, new evidence from brain scans done on men and women will shake your faith. Last year, Harvard cognitive scientists Donna Addis and Daniel Schacter asked men…