翻译题 Theprogressofsciencedependsuponmanyfactors,andnotleastamongtheseistheexistenceofsatisfactoryarrangementsfortherapidexchangeofnewideasandexperimentalresultsbetweenresearchworkershavingsimilarinterests.Inabranchoflearningthatpridesitselfparticularlyuponitspowerofsystematization,itissurprisingthatinthisrespectsomuchhasbeenlefttochanceandsolittlehasbeendonetoformulateandfollowanagreedpolicyappropriatetomodernneeds.Thereis,ofcourse,nolackofscientificliterature,bothbooksandjournals:theWorldListofScientificPeriodicalsnowlistssome50,000titles.Indeed,almosteveryscientistnowfindsitimpossibletoreadallthewordsrelevanttohisownsubject,farlesstoreadextensivelyoutsideit.Yetwidereadingisbecomingincreasinglyimportant,foritisveryfrequentlyinthefieldswhereseveralbranchesofscienceoverlapthatthemostexcitingresultsareobtained.