Here's all you need to prove about half of these 'facts' wrong.
www.straightdope.com
and
www.snopes.com
EDIT: For example, here is an explanation of the muscles to frown vs. smile:
www.straightdope.com/columns/040116.html
I will submit one more fact, "There has never been a list of unusual facts that did not contain at least one false statement.".