Ig.42 on Instagram: "She Jumped Into A Polar Bear Cage A hiker stuck in quicksand faces a deadly myth - struggling to get out only pulls him deeper. Physics dictates that the human body is actually less dense than the sand-water mixture. If he fights, the vacuum effect traps him; but if he leans back and lays still, he floats like a log. Panic buries the body, but trusting density saves it CA. * In a futuristic medical twist, doctors are now “printing” human skin to save burn victims. Using 3D B