Everybodyhatesrats.Butintheearthquakecapitalsoftheworld—JapanLosAngelesTurkey—ratswillsoonbeman’snewbestfriends.
Whathappensafteranearthquake?Wesentinrescuedogs.Why?Becausetheycansmellpeople.Dogssavelives.Theyhelprescuerstofindlivingpeople.Butdogsarebigandtheycan’tgetintosmallspaces.Sonowanewresearchprojectisusingasmalleranimaltosavelives:therat.
Howdoesitwork?Firsttheratistrainedtosmellpeople.Whenthishappenstherat’sbraingivesasignal(信号).Thisissenttoasmallradioonitsbackandthentherescuersfollowtheradiosignals.Whentherat’sbrainactivityjumpstherescuersknowthatsomeoneisalive.Therathassmelledthatperson.
Althoughtherearealreadyrobotswhichcandothisjobratsarebetter.ChristianLinsteratCornellUniversityNewYorksays“‘Robots’nosesdon’tworkwellwhenthereareothersmellsaround.Ratsaregoodatthat.”Ratscanalsoseeinthedark.Theyarecheaperandquickertotrainthandogsandunlikerobotstheydon’tneedelectricity(电)!
The“ratproject”isnotfinishedbutJulieRyanofInternationalRescueCorpsinScotlandsays“Itwouldbefantastic.Aratcouldgetintospaceswecouldn’tgettoandaratwouldgetoutofitifitwasn’tsafe.”Perhapsforthefirsttimeinhistorypeoplewillbehappytoseearatinabuilding(butonlyafteranearthquakeofcourse).
【小题1】Intheworldearthquakecapitalsratswillbecomeman’sbestfriendsbecausetheycan .
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