Can you spot a fake smile?

Buy the book (UK): http://goo.gl/9JaJx3 Buy the book (USA): http://goo.gl/0lGtDR Richard Wiseman is based at the University of Hertfordshire http://www.herts.ac.uk Music: https://cameronwattmusic.wordpress.com Photos from a project originally conducted at the Edinburgh International Science Festival - http://www.sciencefestival.co.uk Intro and Outro animations by Cognitive http://www.wearecognitive.com The presenter and producers not responsible for any adverse effects resulting from the use of the information presented in this video and this information is not intended to be a substitute for consulting with a healthcare professional.