Team battles Arctic winter to measure melting ice caps.
(CNN) -- It could be the ultimate test of human endurance: Three British explorers are risking their lives in subzero temperatures to measure the melting Arctic ice cap.The headline says it all. It hits me like a punchline just as it is. Battling sub-zero temperatures because of concern for melting ice? I would expect the headline to read "Team Battles Blistering Desert Heat to Measure Melting Ice Caps." Maybe I'm just not very smart, but it seems like a blizzard is the last place you'd go to see ice melt.





Sometimes, when a person has a heart attack, that is to say the most important muscle in their body stops working and causes them to die, sometimes doctors will put electric paddles on the person's chest and shock them. And the heart starts beating again!

