Why Is Yawning Contagious?

Why Do We Yawn?

Twitter: Tweetsauce

Vsauce SHIRTS: http://www.districtlines.com/vsauce

Other peeps in this video:

Charlie: charlieissocoollike
Alex: nerimon

Yawning to cool down your brain: http://well.blogs.nytimes.com/2011/10...

and: http://dsc.discovery.com/news/2008/12...

More on yawning and empathy here: http://tlc.howstuffworks.com/family/c...

here: http://news.bbc.co.uk/1/hi/6988155.stm

and here (for the journal article): http://www.plosone.org/article/info:d...

Angry Mob play-set (no longer available): http://www.neatoshop.com/product/Angr...

PARAKEET YAWN: Parakeet yawning

BETTA FISH YAWN: Video

SNAKE YAWN: Video

"Why Are Yawns Contagious" "Why is yawning Contagious" "why do we yawn"

Music by Jake Chudnow: SoundCloud: JAKECHUDNOW

intro animation by rickonami

• #science_technology
• #why_are_yawns_contagious
• #why_is_yawning_contagious
• #why_do_we_yawn
• #yawn
• #why
• #explanation
• #edu
• #yawning
• #asapscience