Scientists Analyze The Human Scream For The 1st Time


Scream is a universal way of expressing emotions. We scream when we feel physical pain, when we get frightened or even when we are absolutely happy! But what makes us, humans, react this way? Why do we scream and not start dancing, clapping hands or scratching ourselves? Scientists try to investigate the phenomenon of scream, and the results of their studies make them re-think what was considered the biggest dinosaur on Earth. What's the link between screams and dinosaurs? Learn from this catching video lecture!

by SciShow