| Show SCIENCE MAKING RAPID STRIDES I National Academy Reports Report Progress in Study of Jae lae and Stars I LA PLACE THEORY DOUBTED Grating Is Invented for More Mor Detailed Study of Colors of Spectrum The Tho National Academy of or Sciences In Ints 1 its ts July proceedings proc announces a 1 number number number num num- ber of or interesting steps in scientific progress pros One article b by U W. W S. S A Adams ams and F. F I G. G Pease of or tho the Mount Wilson Solar observatory observatory ob ob- ob- ob er is an interesting interesting- contribution tion to the discussion of ot the tho question Do stars arise ariso from rom nebulae or do n b lao arise trem stars stars' In modern ad- ad science cl- cl ence nebulae which are tho tIm like cloud luminous formations In the sk sky have been supposed to be gaseous bodies of or unorganized stellar substance and according ac ac- ac- ac cording to Laplace's nebular r hypothesis sis which has had a wide currency durIn durin dur- dur In the past hun hundred red years oar the nebulae develop into stars b by condensation lYe We 6 have however says sas tho Iho an announcement an- an Important evidence c of oC the th OpP opposite f Ho sort of ot evolution In the study of or the new stars or novae which occasionally occa- occa blaze blaza out In tho sk sky 1 and then slowly grow faint An examination of the light omitted emitted b by those hose novae no at different times chows chow's a progressive mango chango from the sort of or light lIht emitted b by nebulae to that emitted by certain types of ot stars star About Solar Sped Spectrum rum A A. Another other progressive st step p announced concerns th tho stretching of ur tho the solar spectrum so o that its infinite detail detal ma may bo examined more moro critically ally It was as Sir Isaac Newton Nowton who resolved the tho sunlight Into Its colored spectrum by letting lettinga a of light fall upon a prism and It was only half a n. century ago aso that the spectroscope was Introduced Introduced Intro Intro- Into astronomy The rapid strides made mado since then In developing methods of spectrum analysis havo have by no means reached a 3 limit but hut have hac not lately taken such an advance ad as now announced an an- by Prof Prot A. A A. A MIchelson of oC the University of ot Chicago who has perfected per per- a a. spectrum trum grating grating grating-a a grating crating for Cor the resolution of ot light Us rays which rays Is four tour times as powerful as that In use known as ns Hol Orion Orlon Seething Inu Prof E. E D. D Frost of or 1 the he Yerkes observatory ob ob- ob- ob atory announces that his studies of or orth th the great nebulae of Orion brion have resulted result ed in full lull confirmation of tho work worl of ot somo some French astronomers at nt MarseilleS Marseille who about a year car ago detect detected cd different different differ differ- ent motions some somo ns as great as six miles milesa a a. second amon among the different parts o otho ot of tho the nebulae Hitherto the tho nebulae o or of Orion had been regarded as a 8 mass of ot quiescent gas it la is now certain the announcement says LYS that tIm tho nebulae o of Orion Is not at rest but ut is Me seething hing with whirlpools in which the gas moves mo with rotational velocities ex exceeding ex- ex ce at lest least three miles a second In the stud study of ot cancer Drs J. J 13 13 Murphy l and J J. J J J. J Morton of ot tho the Rockefeller Rockefeller Rockefeller Rocke Rocke- feller Institute havo o discovered that In natural natura the tho lymphocyte Is a factor and induced resistance to transplanted cancer When mice mic which were im immune immune Im- Im mune mun to cancer r. r with cancer thc they a show showed owed l a marked n-marked Increase In n the circulating lymphocytes but wh when n this I reaction was prevented prevented prevented pre pre- vented by hy a pr previous lous destruction of the lymphoid tissue by X ray th the tho mice lost host their heir Immunity It Is therefore fair I to conclude that tho the lymphocyte Is a Immunity to can- can necessary factor in |
