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Some people try to attack things like evolution by natural selection and man-made climate change by saying “Oh, that’s just a THEORY!”

Yes, they are both theories. Stop saying it like it’s a bad thing! It’s time we learn the difference between a fact, a theory, a hypothesis, and a scientific law.

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It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.

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Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios

Joe Hanson - Creator/Host/Writer

Joe Nicolosi - Director

Amanda Fox - Producer, Spotzen Inc.

Kate Eads - Producer

Andrew Matthews - Editing/Motion Graphics/Animation

Katie Graham - Camera

John Knudsen - Gaffer

Theme music: “Ouroboros” by Kevin MacLeod

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