How long does the preschool advantage last?

Children who attend preschool enter kindergarten with greater skills than those who don't, but that advantage is nearly halved by the end of the year as their counterparts quickly begin to catch up, according to research ...

Primate brain size does not predict their intelligence

Chimpanzees, gorillas and orangutans are our closest relatives, and like us they have relatively large brains and they are very intelligent. But do animals with larger brains really perform better in cognitive tests? A research ...

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