Show t Freaks Oddities I IB hi n Science N News evs i S J m m manA an-A an A safety fuel for automobiles and airplanes that thatIs U is as incombustible as Diesel oil and yet as powerful powerful powerful pow pow- erful and as productive of engine performance as good aviation gasoline has been demonstrated This new newuel fuel uel fuel produced by one of the leading oil companies by means of the new process of hydrogenation has such uch a low flash point that a lighted match can be tossed into it without starting a fire This safety fuel uel is expected to be important in preventing fires that now follow immediately upon crashes of gasoline- gasoline airplanes a a a Urgent need of discovering defective hearing In very ery young children and of salvaging what hearing they hey have before it is lost forever was brought before the tie federation of or organizations for the hard of hear hear- I i iii ing at Chicago The Tile child chUd of today In the first five years ears of his life is surrounded by a world more varied and stimulating than babies have VATCH ever experienced and babies have DEFECTS become more precocious in their deIN deIN deN de- de IN N BABY'S in consequence HEARING Watch Vatch the baby of or today in his reactions to the electric door or telephone tele- tele phone hone bell or to the flash of electric light to the sight Ight and touch of his lUs many toys to the taste and odor dor of his varied diet to the vocal attentions of his family amily and his ubiquitous friends In this speeding up of mental and emotional development de- de hearing plays the major role The young child whose hearing is even partially impaired needs to have intelligent first aid as soon as the handicap Is 15 discovered a a 9 a Rocks that cannot be told apart as they are dug dugout dugout out ut of the ground can be made to disclose their ages and nd geological kinships by dissolving away most of their heir substance with hydrochloric acid and examining what hat is 15 left under a power low-power microscope The development of this method of geological analysis was brought about by the presence of quantities quantities quantities quan quan- o of limestone rock from deep ACID wells and other borings All the REVEALS samples looked pretty much alike AGES OF though it was known that they must THE ROCKS be of very different natures and geologic ages The masl masking similarity similarity similarly similar similar- ity ly was due to the presence of ot the limestone matrix itself in which there were ere none of the fossil casts ts that are the usual tags dating daUn tags which the geologist commonly uses in Identifying his finds I Each type of limestone indistinguishable to ordinary ordinary nary examination yields an insoluble residue of particles par- par tides that is absolutely characteristic for that particular particular par- par pari i t type pe and unlike the residues of ot other types One limestone will have line fine sand particles in it another anther an an- I other ther will contain coarser sand particles of a different different differ- differ ent nt color or perhaps bits bUs of shale chert or tiny round pebbles known own as or minute fossil shells or casts |