You’ve heard of talking heads on TV. It turns out, they’re also under the sea. Beluga whales appear to communicate with each other by contorting their heads into various shapes, new research reveals.
Head growth of the fetus and infant is largely determined by brain growth. The brain reaches 90% of adult size by 1 year of age; it is 95% of its ultimate adult size by 6 years of age and growth is ...
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