Why Do We Blush?

Humans are the only species that blush.

Key Facts In This Video

  1. Your sympathetic nervous system kicks in when when you begin to blush. 00:33

  2. Some scientists believe blushing evolved as a trait to help us survive and communicate socially. 01:22

Written by Curiosity Staff January 15, 2015

Curiosity uses cookies to improve site performance, for analytics and for advertising. By continuing to use our site, you accept our use of cookies, our Privacy Policy and Terms of Use.