The science that explains the blue people of Kentucky By Rose Kennedy Updated 4 months ago on August 20, 2019 Begin Slideshow Wikimedia Commons UP NEXT These popular US tourist destinations have been deemed too danger... Categories: BIOLOGY Tags: blue people of Kentucky, blue skin people, methemoglobinemia, trending Fresh The most outlandish natural phenomena you’ll ever see These animals are most likely to ruin your vacation 40 of the deadliest animals in the United States, ranked America’s favorite game show host: Alex Trebek 30 things you never knew about ‘Miami Vice’