Evening Star Newspaper, January 10, 1926, Page 73

however ILLUSTRATED FEATURES - The Sundiy Stad MAGAZINE SECTION FICTION HUMO AND R 7Part 5;787 Paées WASHINGTON, D. (., SUNDAY Xy MORNINC JANUARY 10, 1926. New Wonders of Science on Record of Achievement by 1925 ny PHILIPS. HAROLD K in many pa layman Jnsumption o ve i planet that may b What of th Whe ca ne the astonishi Maya race? seen Washington Has Had Its Important Share in Advancement Made by Expert Workers in the Year Just Closed—Government Efforts Supplemented by Wide Range of Valuable Activities Under Direction of the Carnegie Institution—Major Depart- ments Decal With Eleven Branches of Science—QOutstanding Features Are Astronomical Facts, Development of Human Life and Archeology——Work That Attracts Students From Other Countries. 77 b4 The ADMINISTRATION BUILDING Sixteentiv and P Streets. the ques- | ution of to answer sations i of its staff jur solitary s Institu which are and re In the corded in tivities e are finite im one w tandir ier modern time. serv remain ha is hich | > hypothesis | the known found istand as our for in- easured and found | light pam of nable wonld h ime nebula is said ve 1t econd that the human comprehend Andr way the n year 186 iply t result by 900, 1l have the number of he earth and that par There are many, it is ibly farther away than of ant on in Dr. same observa especial public inte to stop and ponder Hale has found th the hydrogen vortices ts whirl in the same direc- stars on the earth, recently played pparatus. suspected W imy conditions the observations of . Hale. command spots It causes one Dr “p 1S mag which h rical WO other iny ators have suc- ring the tempera Venus and the In the of in meas Mercury ch discussed Mars tures ¢ se RS the planet indicate an at ¥ which can absorb but very tle planetary radiation. These agree the discovery by two additional of the Mount Wilson staff artian atmosphere contains 16 per ce s much resent ov Tount Wilson at the observations were made. it is held by some jonal proof of the any form of life it probably an that of the stronomical observer be content in these d of ~htenment with depending solely omena he has seen in the cannot, 000, | MASTERPIECES of Ancient Awmerica . | ! stars and the | his conclusions, me to his aid | stances can now laboratory the things the astronomer | seen in the sky. Such a labora has been established in Pasa | dena, working in close co-operation | with the Mount Wilson Observatory. \s a result the astronomer can check | his_observations with carefully con { trotled t in the physical labora {tory. This rather definitely re much of the doubt that once hindered astronomical progress But if these researches fire the brain with a sense of the appalling !breadth of the universe in which this world of ours is scarcely as large speck of dust, and the imaginative off on eerie i into utter spa there other investigations to intrigue on | thoughts and f: | with the po hold for human !least of these investigation | carried out at the institution’s de | partment_of ‘embryology. which, for | reasons of accessibility to co-oper | tion with kindred researches, is sun the nhysicist in many in splicate in the bases for has as The 2 | tor Ty 1y stagger his mind it tudies the drift curves taken across thecated in ome of the buildings of the| | Medical School of Johns Hopkins Uni- { versity, in Baltimore. | There the very story of | creation itself is being studied. embryological researches, is far more difficult to pick out the ! astronomy. One can | anad they have been objects of won- der since the dawn of man. JBut, {although many persons have “pon- dered at some period of their lives jover the mystery of creation, the | great n s of civilization has taken {it for granted and preferred not to { dwell on the subject too long. Wo hryolo tor, t has opened up to the doc- the surgeon, the amatomist and . moves | 2 of the fi S1of the | chest biotogist of da rapidly toward some of his bit erm world. Dr. |is director of the department « | bryology, and in the past ve | has been able to trace the |of life in one mammal time when it was two tiny ; * K ¥ X St HIS is a at all | ment_of man, period of which ne in the de h »out in other a tion wit is known and science for less guessed |rife. Thr co-op Bureau of Animal Industry o United States Department of cultu Streeter has_obtai | complete series of “timed"” spec two weeks of develoj the pig. | “Beginning with the two-cell s {Dr. Strecter writes in the “we have, in this mammn {le the material for study { cleavage, the formation | mentation cavity, the |of the embryo nd its memb: tion, all of which period is prac unknown in man “By the device of special of of the seg-| differenti: treasure essir reeter | f em- ar he origin thing velop- | more nimal h the f the Agri- ned mens pment | nal cell ranes, and the first phenomena of implant: tically photo- human | graphic and histologic technique, Dr. In}C. H. Heuser has been able to record however, it |and study this unique material. This : is the first time any one has suc- 6 per cent as much water vapor more important advances that have|ceeded in obtaining an adequate pho- malian egBE. of outstanding importance. This discovery, if sucn it m: termed, was made too recently | for the ologists to | how far-reaching it will be in | tuture studies. Even so soon, embr) xygen as|been made in the past year than in|tographic history of these early steps see the starsin the development of a hisher mam- It provides us with data ay be even determine their how- {ever, it has permitted Dr. Strecter to ,of embr have fai king ever on, however, the em- | complete some studies in the 1rugress onic life that might possibly »d to reach a solutlon with- Since dead iourw could not supply | sibly will not hold the interest of the jon ¢ AT HOME" with the fishes. out the additional information thus obtained. Although possession of accurate in- formation on the two-cell period of a higher mammal may lead in the | next few years to other discoveries of preponderant importance, it pos- the answers to these questions, it be- hooved the staff of the department to obtain living hearts in the embryonic stages of development. Chicks were selected for the study, first because heir entire cycle of development re- quires but 18 days, and secondly be- | cause they afforded exceptional ease [to the studies. The eggs are per- mitted to develop the early embryo in an incubator, the shells are broken and the embryo then continues its growth in full view under proper tem- peratures. | With the naked eye it is quite possi- ible to see the embryonic heart begin | the pulsations that are never again to cease until they stop forever. Under |the powerful microscope, however, | other reactions come into vision. The heart becomes a vigorous pump and the arterial system begins its activi- cycle from about the first month of |ties. Through the thin tissues of the conception to the time of birth, the | main arteries and lesser veins, the red department of embryology has an ex- { blood may be seen coursing its way, ceptional history of the formation of {carrying life and sustenance to the the human heart. Naturally, however, | entire body. these examples were taken from em- | It is somewhat disconcerting to dis- bryos that had died. When and how |cover while viewing this phenomenon and where the heart began to beat and | that just exactly the sarie process ls drive the streams of life blood through | going on in our own bodies; that our the living embryo were the logical | hearts are pumping the same way, and questions to ask next. that our life streams are flowing with the same motions, A few days more ayman now so much as studies on the formation and functions of the ! earliest embryonic heart, and on the problem of human behavior, the. first of which has already progressed far in the laboratories of the Carnegie stitution and the second of which i®being inaugurated this year, In co- operation with the anatomical lab- oratory of Johns Hopkins University. * %k k¥ ¥ N its famous collection of embryonic organs, representing the complete Studying the Workof Walking and Laboring and the legs and knobs that eventual- 1y would become wings begin to twitch and finally move about. At the end of six days the whole embryo is moving | tractions. It is some time later that with the impulses of life. | the pulsations begia in the brimitive Members of the laboratory staff who | €inus venosus. have been conducting these in\'esflml—‘ What is described as an important tions have learned that the first pul-| advance toward the solution of the satlons appear in what is known pathology of tuberculosis was made entifically as the “primitive ventricle.” | during the past year Starting at a definite poilnt on the the embryological right border of the ventricle, the beat- ing area spreads until the entire ven- tricle is engaged in rhythmical con- by the staff of laboratory. This was cover in th, ody cells Lh. 4 part . arise cel the practic white Many volumnes have the past yeir department of e negle Institut by m chronalog could be fi {is possibl ript the inve on to the 1 the institut: on it bnoraml ns of known had sos skill ar h exq have scientists | Institut in Bo; | more immediate a use. and Dr. rector of the some striking = found Holyoke Colle | siastic body of Metabolism, it 1 | the process by n bodv 7 to keep us observations t been ck on laboratory | extreme degrec how much ener wife needs to ¢ duties and how | ingest to su | how much ene ing, standing. ing, running determined, for the nutrition man how he shc ficient energy This laboraferv dents from all ove past year. Doctors there studying the to_establishing pitals. Scientists Japan, Denmark d from all pa ates. In return staff have just comple tour of FEurope of nutrition wi tests in the labc STUDYING marine e without its Freanen {the investigator hxions to wat the fishes at worl native haunts, spend suits far beneath t tied to the outs a s r t < them air The Carnegie Institut laboratoriy for this st head Key, in the Tor keys off Florida. This_laborator complete equipment, includ: boats, is placed ar the dis vestigators from all ov It is opened during the w of the year and closed for the seasons. The discovery of use of camouflage aong many queer traits that the laym would never think of attributing t the scaly denizens of the deep are i1 cluded among of ing the past vear There are many othe research carri out b Institution of Washir already been discussed fully. Its ative program for the s seismic phenomena is well known gether with the important advance made along this line in previou years, hay observir subjects the Carnegi ton which hav