BrainStuff
What makes us yawn?
5 min•7 maj 2014
Om avsnittet
Yawning is a universal human behavior, yet scientists still don't know exactly why we do it or what purpose it serves. Marshall Brain explores some of the theories behind yawning in this episode.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Fler avsnitt
Visa alla avsnitt av BrainStuffBrainStuff med iHeartPodcasts finns tillgänglig på flera plattformar. Informationen på denna sida kommer från offentliga podd-flöden.