The research team from the biology department of North Carolina State University (NC State) and the Nature Research Center (NRC) at the North Carolina Museum of Natural Sciences discovered that belly buttons are very diverse habitats! In total, they discovered 2,368 different species. More than half of those may be new to science
Reference : National Geographic scientists from the biology department of North Carolina State University (NC State) and the Nature Research Center (NRC) at the North Carolina Museum of Natural Sciences read more : https://education.nationalgeographic.org/resource/belly-button-biodiversity/