LifeInside knowledge: What's really going on in the minds of animalsBright animals from chimps to crows know what they know and what others are thinking. But when it comes to abstract knowledge, the picture is more mixedFeatures
HumansMind the gaps: The holes in your brain that make you smart A map of the brain’s wiring reveals the spaces may be just as important as the connections – and you have the holes to thank for your most impressive mental feats Features