Oops! The episode is no longer available but you can find other episodes below.Back to SciShowWatch SciShow Episodes Onlineplay_circle_filledAutoimmune Diseases Are Sexist. Here’s Whyplay_circle_filledHow Do We Figure Out The Sex ... Of A Fossil?play_circle_filledWhy Isn't Mount Denali a Volcano?moreWATCH IN APPplay_circle_filledchevron_leftchevron_rightComments