Smiling might not make you happier http://www.slate.com/articles/health_and_science/cover_story/2016/08/can_smiling_make_you_happier_maybe_maybe_not_we_have_no_idea.html … But a physician biting on a pen was rated as friendlier. http://onlinelibrary.wiley.com/doi/10.1111/medu.13002/abstract?campaign=woletoc …pic.twitter.com/d5KZeQmq2z
10:40 PM - 22 Nov 2016
from Bonn, Germany
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