Show 4 I t THE LAST FRONTIER IS NOT NOl AT ATAM A AIll AM Ill CIE CI ShOWS Uy Sly 1 DID D. ID NL O Service ke r As As changeable as ns the weather The he saying Ing Is la in common usage But nut recent mathematical studies of the f weather e made b by the tho t pio pio- pioneers t on o the frontier er of science c e show that the ancient adage does docs not express the situation at all allIn In fact It lt would be a great grett gre t 1 compliment to say sa anyone was as steady stead as the weather I D Di C C. G C G. G Abbot director of oC the astrophysical observatory of oC the I Smithsonian Institution points out I that In most parts of the world the mean dally daily surface tempera tempera- temperature temperature temperature ture of oC the air rarely varies arles more snore than 1 pei pel cent from day to day daj Furthermore the mean annual temperature of any anyone one place shows hardly any change In thousands thou- thou thousands sands of years jears J Many of oC the higher food plants plants' plants thrive only In certain tempera tempera- temperatures tures Wheat heat for example can only be raised where the mean an- an annual annual nual temperature Is Is between 39 I and l 68 8 degrees I I But there is no evidence of oC any I change In the habitat of this or oran I any an other food plant in tho the last j I years ears There were tare great changes In Inthe inthe I Ithe the fur distant past such as RI the I I glacial periods But lint the evidence I shows that t t these were slow I changes es U it taking snore more than 6 1 5 I I years ears for a II glacial period to i r get under way and another I years for the earth to return to I normalcy at the close of a a. glacial I period I j IThe The American Ame engineering engineerinG II I standards committee has completed ed Its work upon o a code for r na national na- na national fl rf n uniform r traffic ra C color sig sig- signals signals nals Tho The code is to be published shortly it Is announced V It will vill recommend the use ot of three primary colors for signals red red for stop yellow for caution I and green for go ahead I P Ians Plans are arc now under wa way wa- for Cor forthe Corthe forthe the Third Pan Pacific Science congress to bo held In Tokio In October 1926 Dr T Wayland aland Vaughan director director director tor of oC the Scripps Institute for Biological Research is the themer Amer mer American merIcan ican lean representative e on a n. n commit commit- committee tee which has been appointed to draw up a constitution for a per per- permanent permanent manent organization for these Three subjects will receive chief attention at the tho meeting I They are first the tho study of oC the tides currents and other features of oC the tho Pacific second the use of I radio for Cor tho the transmission of ot weather forecasts and time sig aig- signals I nals mIle on the Pacific and third the I cause and frequency of earth earth- earthquakes quakes Quales In tho the Pacific region 0 I Noiseless butchers are possible p by the use of oC a chopping block mounted on o springs I |