Bok
02-03-2013, 09:04 PM
People with a rare brain disorder don’t get scared — except when they breathe carbon dioxide
More... (http://www.sciencenews.org/view/generic/id/348032/title/Nothing_to_fear_but_suffocation)
More... (http://www.sciencenews.org/view/generic/id/348032/title/Nothing_to_fear_but_suffocation)