Receding glaciers in North America brought together many animals competing for the same food source including two apex predators; the largest bear and cat that ever existed. Paleontologists believe they occasionally fought one another. Jurassic Fight Club weighs their relative advantages and disadvantages in such a fight then pits then against each other in simulated combat.

Discovery channel documentary dealing with sexual relationships of humans. dealing with the question of multiple sex partners and why some people choose to have an afair and extra marital relationships while others remain faithful. why do some people form secret clubs and follow different sexual lifestyles.

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