Humans are weird. Full stop. For this list, we’ll be looking at the most bewildering human innate behaviours, body parts, and attributes that scientists have yet to explain. Our countdown includes Yawning, Blood Types, Microbes, and more! What’s your favorite medical mystery? Be sure to share with us in the comments below! Watch more great science videos here: Top 10 Things We Wish Science Would Figure Out: Top 10 Biggest Scientific Discoveries of 2020: Top 20 Biggest Scientific Discoveries of the Decade: Have Your Idea Become A Video! Subscribe for more great content! Visit WatchMojo Club for Great Deals! Your trusted authority for Top 10 lists, reviews, tips and tricks, biographies, origins, and entertainment news on Film, TV, Video Games, Comics, Celeb, Music and Superheroes. #Science #Humans #Mystery
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