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The findings could shed
on how human language evolved. A researcher said: "People thought that human language was a singular
that popped out of
. We're starting to see
that this is not the case." He speculated on how marmosets developed a
of names. He said: "Marmosets live in small,
family groups, and take
of their young together, much like humans do. These
suggest that they faced comparable
social challenges to our early pre-linguistic
."
