Brain evolution. Triune brain: Reptilian complex (basal ganglia for instinctual behaviours), mammalian brain (septum, amygdalae, hypothalamus, hippocamp for feeling) and Neocortex (cognition, language ...

Boys continue to grow in height until after puberty has finished. Learn about average height and factors that can affect growth.

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As NATO readies for what some believe is a new Cold War with Russia, the seventy-year-old alliance struggles to manage widening internal divisions.

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