Adam is perplexed by his recent woes trying to open produce bags and goes looking for answers. Cristina examines the notion of soulmates and whether we can use science to determine how likely we are to meet that \u2018one\u2019 human on Earth we\u2019re meant to be with. Finally, Darren challenges the narrative we\u2019re taught since childhood that turtles are slow after seeing a video of one ninja-moving turtle.