<h2 class="rtecenter">These questions have boggled some of the greatest minds!</h2><p class="rtecenter"><iframe allowfullscreen="" frameborder="0" height="380" src="https://www.youtube.com/embed/7SWvDHvWXok" width="630"></iframe></p><p class="rtecenter">See also:&nbsp;<a href="http://thescienceexplorer.com/humanity/these-11-questions-are-used-test-americans-knowledge-science">These 11 Questions Are Used to Test Americans&rsquo; Knowledge of Science</a></p><p>&nbsp;</p> 

Questions No One Knows the Answers to

<p>These questions have boggled some of the greatest minds!</p> 

Brain and Body

Science

Universe

Humanity

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These questions have boggled some of the greatest minds! See also: These 11 Questions Are Used to Test Americans’ Knowledge of Science

These questions have boggled some of the greatest minds!

Questions No One Knows the Answers to

These questions have boggled some of the greatest minds!

These questions have boggled some of the greatest minds!

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