小老鼠也有驚天壯舉

　　10月19日CNN聽力：小老鼠也有驚天豪舉 莫桑比克練習老鼠舉行排雷

　　Up next, rats.

　　They're not just around for pet owners orexterminators.

　　They're helping solve one of the challenges inEurope's historic refugee crisis.

　　We've talked about how hundreds of thousands ofpeople are risking their lives to escape war-torncountries, oppressive government, or just to find a better place to live.

　　Their dangerous journey isn't limited to overcrowded boats on the Mediterranean or gruelinghikes to Europe.

　　They're also facing potential threats that have been lying in wait for decades, facing borderclosures and fewer paths to Germany, refugees are traveling through Croatia to get theirperceived Promised Land.

　　And if they stray from marked path, their danger awaits,thanks to an estimated 51,000 activeland mines left over from the Balkan wars.

　　Now, removing that many mines may seem like an impossible feat.

　　Well, it isn't.

　　Just last month, the government of Mozambique, once one of the most land-mined countries inthe world, announced that it is now landmine free.

　　A British organization HALO Trust says it oversaw the removal of 171,000 mines.

　　The Mozambican men and women who cleared the mines had help from an unlikely source.

　　These giant MDRs, mine detection rats that is, went through extensive training with theBelgian NGO called APOPO to help their human friends sniff out mines.

　　And unrenowned, these critters could check an area that would take a human two days tocover and to think last week,the world of Twitter was impressed by a rat that merely carried aslice of pizza.

　　We think this rat should viral instead.

　　Experts say that back in the day, like before there were refrigerators or when Columbus sailedthe ocean blue, people used to store mammoth meat in pounds.

　　That's why they think that a farmer's discovery near Ann Harbor, Michigan, could involve anancient sort of meat locker.

　　It includes a stone flake that might have been a cutting tool and the remains of woollymammoth.

　　Farmer's surprising discovery.

　　A farmer in Michigan was digging in a field when he uncovered something unusual.

　　Farmer James Bristle told MLive, "We thought it was a bent fence post."

　　What we found here is a partial skeleton of a woolly mammoth.

　　It was an adult male, probably in its 40s at the time of its death, probably lived between 10,000and 15,000 years ago.

　　A University of Michigan team recovered 20 percent of mammoth's skeleton.

　　Our working hypothesis is a partial skeleton having been brought to this place by ancienthumans.

　　It was their intent to come back later and retrieve this when they needed fresh meat.

　　About 30 mammoths have been found in Michigan to date, but most finds aren't as complete asthis one.

　　Experts are working to determine the exact time this mammoth lived.

　　You can say it's the mammoth-er of all finds.

　　Fossi-litating a lot of discussion, unearthing skeleton of woolly interesting questions that aimedto separate arti-fact from fiction.

　　I'm Carl Azuz for CNN STUDENT NEWS.

　　We'll dig out more puns for you tomorrow.

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