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Through experiments and observation, researchers
discover that chimps can cooperate, but that teamwork
comes easier for the more peace-loving bonobos.
running time 10:23
While some apes are capable of mastering words and
numbers with great difficulty, it may be that impulse
control is what prevents them from cooperating more
fully.
running time 8:15
In children, a penchant for teaching appears even before
language in the form of a deceptively simple
gesture—pointing—a gesture that the other
apes never use.
running time 6:46