Why are our bodies so symmetrical, but our guts aren't?

How Your Body Knows Left From Right Be Smart

Premiered July 18, 2014
How Your Body Knows Left From Right

This is part 3 of 3 in my series about how our bodies evolved to look like they do.

About the Program

Be Smart

Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.

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