| Show Sea Is Ia Blue Long Matter o of Scientific Dispute What makes tile the sea sta blu blueT 7 Is II It some ome chemical present In the Iho water that colors the ocean octon Or Is II It sonic some quality of ot light as affected by the molecules of f water that t Imparts the marine blue sheen Scientists are Bre divided dl on this tills point The rhe explanation that the sea ea Is blue because It eon contains In Ins some copper opper compounds com pounds Is advanced nd by the German t U Richurd 1 list pr according according accord accord- ing to the tile I European correspondent of the American Chemical society version Is in nil follows The Cho blue color of sea sen water Ul Ibl bin bla even oen 11 In n thin layer as ns In a 8 bathtub bath tub tut Is 11 s One due to In complex copper compounds com 1011 pounds II lis of the of I r Jin It 11 Is known that copper Is present present pres pres- ent In I the he ilI scar ea Then jhen thero Is continuous ous Otis production of If ammonia of ot organic amino acids ns as the tho result of or the sire decay decoy de lie coy cay and decomposition of protein Sll substances sub sub- stances In the sea ln water So SI the Iho conditions oll for tor the synthesis of or Ill I'll salts It are arc favorable In III Inthe the tile sea f mile lace 1 d or copper opper sulphate sul sul- phate Is la well known Sea Spa water wull I ti similarly tinted I lr Ion ever this explanation Is not fully to all 11 scientists i Frets Frit Haber erman chemist who developed j ammonia thinks that the Ih rotor color or ot the ocean oran Is to due to some lome property property prop prop- erty of light related to the Iho depth of eft the sea Universal IIa Universal Sc Si leace e Service Why Campaign Against Rat Should Be General Tints lints are the most destructive of all animal pests ISI Investigations ID of the biological bio 10 logical survey surrey Indicate that one rat rot ratin in sp 1 destroy ni as much as worth o 0 before he Is trapped I or r led Put But what Is more wore serious roll rats are the agents which hleb have spread plague to nearly all parts of ot I the world In India alone this disease causes approximately death deaths per year What other dangerous roul and destructive e animal It hns has been asked I could have ha lived BO so long lone In s such ch close clone proximity to man without having hating made Itself so seriously obnoxious as ns to 10 excite ex ex- cite a wave of If resentment re Ira trading leading din to I FI speedy dy extermination A new w weapon a against the rat rot a poison known as red Is considered con eon highly Important 11 br by the MIl bio MI- biological l h logical survey Bun It can rno be mixed with bait holt and nna Is attractive to 10 the SIS pests So far tur as ns Is la known no other animals are affected by It The means of exterminating rats rals art are available Organized community campaigns cam ram have bare been especially success success- ful till Apparently I the he chief obstacle In Inthe the way of ridding the country o of I these pests IS 1 Is public lIc apathy |