Jim sat down with transgender scientist and runner Joanna Harper to learn more about what her research says for the transgender community in sports and beyond.

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The Jim Jefferies Show is here to shake up the humdrum formula of the political late-night show. Jim tackles the news of the day with no-bulls**t candor, piercing insight and a uniquely Aussie viewpoint.

The Jim Jefferies Show airs Tuesdays at 10:30/9:30c on Comedy Central.