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See how new methods of analyzing breast tissue and breast milk have led to startling and disturbing findings.
Can our hands really hold vital clues to our past, our present and even our future? Watch our test results to find out.
Are genetic and evolutionary forces driving humans to seek sex on the side? Explore the science behind modern mating.
Cast & Details
- Premiered: December 2, 2014
- Rating: TV-14
- Premise: The science and myths of human behavior are investigated in this series, which explores such subjects as the link between finger size and sexual preference.