jacket is leaking heat. even the seams are letting heat out. there s a real danger of hypothermia and you need to wear many layers. wear a scarf you should that zipper or wool or synthetic fibers because cotton lets the heat out. take a look at this man, he is standing outside. takes off his gloves and look what happens. the heat, that orange/yellow, over the course of just one minute, it disappears. that s the beginning of frostbite. his fingers losing all heat. his body is protecting itself and keeping the heat in its core for essential organs. again, you can t have any exposed skin in this kind of weather. interesting stuff. you ve seen lots of pictures of frozen streets and bodies of water over the past few days, but here is something that s pretty mind-blowing. take a look at these frozen lighthouses on lake michigan. incredible. that is amazing stuff. this is the work of photographers, thomas akowski and tom gill. they come courtesy to us and