La vidéo est sous-titrée en français (ou dans la langue que vous souhaitez!).

"Oxytocin connects us to other people; oxytocin makes us feel what other people feel. And it’s easy to cause people’s brains to release oxytocin. Let me show you. Come here. Give me a hug.” (Paul Zak)

http://www.ted.com/talks/paul_zak_trust_morality_and_oxytocin.html?quote=1150