* Whiteboard required
** This activity is teacher paced
A look at the many strange effects of placebos.
Daniel Keogh - http://www.twitter.com/ProfessorFunk
Luke Harris - http://www.lukeharrisgraphics.com
Ben Goldacre's book 'Bad Science' has an excellent chapter on placebos
The Wikipedia page on Placebos is pretty excellent too: