Conjoined twins share a vagina but not a...

Adam Crowley, Dorin Dickerson and Nicholas "Harry" Callas react to a comment about the Steelers made by this star WR of the Cincinnati Bengals. 

Adam Crowley and Dorin Dickerson react to the QB play of this young Pitt Panther recently after the team's 34-31 win over Florida State on Saturday. 

Adam Crowley and Dorin Dickerson address the impact CB Jalen Ramsey had in the Steelers' game against the Cleveland Browns on Sunday, and they wonder if it was the right time to activate him from IR. 

Twins have always fascinated us but is there more to their connection than just being double trouble for their poor parents and a puzzle to the rest of us if we're trying to tell them apart. 

Does having an identical twin make you more competitive? This young, female athlete tells Geth about focusing her competitive twin energy into golf, while opening up about dealing with anxiety, politics, her sexuality, and twin "switcharoo" high jinks. 

"There are many butt plugs, but this one is mine." Learn more about your ad choices. Visit podcastchoices.com/adchoices 

Double your pleasure, double your fun...? The girls are talking twins and their long history of fetishization. They wrestle with the concept of twincest, the presumption that twins are two halves of the same person, plus the episode even covers the infamous Peters Twins. Try on a ... Show More

Dear Steve and Shirley, you are not going to believe this. I am 30 years old and my longtime girlfriend has an identical twin sister. I can barely tell them apart sometimes. They both have short curly afros, they both have dimples in both cheeks and their bodies are the same. My ... Show More

Seeing your near twin is probably pretty weird. But could there be a genetic commonality as well? You bet  there could!  See omnystudio.com/listener for privacy information. 

Twin studies aren't just for twins. They're a paradigm for all of us, a way to explore an old question: how much are we shaped by our genes, and how much by our environment?