(3)A small plane with two sick U.S.workers arrived safely in Chile late Wednesdayafter leaving Antarctica in a daring rescue mission from a remote South Poleresearch station. After making a stop for a few hours at a British station on the edge of Antarctica,thetwo workers were flown to the southernmost. Chilean city of Punta Arenas.In achaotic two days of flying,the rescue team flew 3,000 miles round-trip fromthe British station Rothera to pick up the workers at the U.S Amundsen-Scott Stationat the South Pole. The two patients aboard will be transported to a medical facility that can provide alevel of care that is not available at Amundsen-Scott,says a spokesperson.(4)Normally planes don't go to the polar post from February to October becauseof the dangers of flying in the pitch-dark and cold. “Antarcticacreates a hostile environment,”says the operations director for the British AntarcticSurvey,“if you are not careful,it’ll come around and bite you.”