Less chewing helped brain development

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Storyboard Description

Scientists have done a study on how diets of our ancestors help with the evolution of humans nowadays. They found out that early humans ate raw meat and used stone tools to make food easier to consume, which led to humans having smaller teeth, jaws and chewing muscles than chimpanzees. They also believed that the change in diet enabled the development of larger brains in early human species. The full research was published in the journal Nature.

Storyboard Text

  • Jessie, do you know that less chewing helps brain development of human?
  • How?
  • News comic by Norma SCMP 11/3/2016 A9 Less chewing helped brain development
  • Chimpanzees spend a lot of time chewing vegetables.
  • Quite the opposite, our ancestors chewed on crushed vegetables and meat.
  • Delicious!
  • Tom and Jessie are having lunch in a café.
  • Meat is a more calorically dense food than vegetables, which may help with the development of larger brain in humans.
  • Tom explains to Jessie...
  • We've published our findings in the journal Nature.
  • Havard University
  • Should I eat more meat if I want good results in exams then?
  • Back in the café...
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