Why Do We Get Nervous?

What causes those butterflies in your stomach? DAILY EPISODES, answering your burning questions. Watch 5 episodes before anybody else: http://bit.ly/1n5llRo Use the hashtag #ScienceSays to...

==========
Why Do We Get Nervous?
Share & Embed

Embed the player

COPY
loader
If you prefer to rent each film separately and not to join a subscription,  Click Here..