If sheer brain size were the best gauge of intelligence, whales would be the smartest animals on Earth. As far as we know, they're not, so what gives? What's the best way to evaluate brain size and smarts?
Cortes Bank, about 100 miles off California's coast , is one of the most dangerous surf spots in the world, with shallow, often shark-infested waters. But those facts don't deter the location's top surfers.