Did you know that, "if your finger was the size of the Earth, you could feel the difference between houses and cars?" (Mark Rutland, Professor of Surface Chemistry at KTH Royal Institue of Technology)
Our hands are extraordinarily sensitive, therefore providing our brains with all kinds of information. In addition to communicating information to our own brains, our hands are a powerful tool for communication to others. This is evident in obvious ways, such as affectionate touch or obscene gestures. But even the position of our palms can be subtly communicating something to others, as suggested in the video above.
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