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For ages, anthropologists have puzzled over Neanderthal and human brains, since they were the same size. If each species had comparable brainpower, why did humans dominate?A comparison of...
To humans, all fire ants may look alike. But the tiny, red, stinging bugs known as Solenopsis invicta have two types of social organization, and these factions are as recognizable to...
Monkeys might not be known for their generosity, but when they do seem to act selflessly, a specific area in their brains keeps track of these kindnesses.