We may be able to detect how dangerous someone is by how they do this. What is it?

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Answer: Walk

Clues: “Move” and “Feet”

New research raises the possibility we may have evolved to detect clues about whether someone is dangerous from the way they walk. Men who were perceived as being more likely to win a fight had more of a swagger to them, where their shoulders moved more in a swaying motion. Previous research has suggested men may, consciously or subconsciously, try to give off intimidating signals through their walk and try to occupy as much space as possible to appear bigger than he is.

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