Book5Unit1GreatscientistsArchimedes,AncientGreek(287-212BC),amathematician.CharlesDarwin,Britain(1808-1882).ThenameofthebookisOriginofSpecies.ThomasSavery(1650-1715)wasanEnglishmilitaryengineerandinventor.ThomasNewcomen(1663-1729)wasanEnglishblacksmith,whoinventedtheatmosphericsteamengine,animprovementoverThomasSavery'spreviousdesign.JamesWatt(1736-1819)wasaScottishinventorandmechanicalengineer,whowasrenownedforhisimprovementsofthesteamengine.Newcomen’ssteamengineGregorMendel,Czech,abotanistandgeneticist.MarieCurie,PolishandFrench,achemistandphysicist.Shediscoveredradium.ThomasEdison,American,aninventor.Heinventedthelightsandthegramophone.MonaLisaLeonardodaVinci,Italian,anartist.SirHumphryDavy,British,aninventorandchemist.ZhangHeng,ancientChina,aninventor.StephenHawking,British,aphysicist.Whatdoyouknowaboutinfectiousdiseases?•Infectiousdiseasescanbespreadeasily.Theyhaveanunknowncauseandmaydogreatharmtopeople.•Peoplecouldbeexposedtoinfectiousdiseases,somayanimals,suchasbirdflu.•AIDS,SARSareinfectiousdiseases.Theyaredifficulttocure.Whatdoyouknowaboutcholera?Doyouknowhowtoproveanewideainscientificresearch?
