Have you ever wondered why your face turns red when you’re angry? Check out this SciShow Quick Question to learn why! Hosted by: Michael Aranda Dooblydoo thanks go to the following Patreon supporters ...

In a video, Greg Ketter stands on the sidewalk, shouting into the haze, “I’m just angry. I’m 70 years old, and I’m (expletive) angry,” before the gas engulfs him.