Parental investment may have aided evolution of larger brains

A review of evidence from prior research provides new support for the possibility that the evolution of larger brains in some species was enabled through increased energy investment by parents in their offspring. Carel van ...

Study shows clever birds need caring parents

Brains are key organs because they make sense of the world and help us successfully navigate through our lives. While all animals have brains, some species have rather large brains relatively to their body size—and this ...

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