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At a session of the American Bacteriologists, Professors Stanhope Bayne-Jones, and Edward F. Adolphe read a report on their researches into the growth of micro-organisms (Bacilli and Bacteria).
The pictures showing the development of organisms under certain conditions and at a constant temperature had to be taken over a period of several hours and with a speed of from 2 to 30 images per min. Eventually the numerous images thus obtained at determined intervals were projected one by
one on a screen which enabled their relative measurements to be taken.
It was hoped by this means to obtain the growth curves of bacilli and bacteria throughout a complete cycle of their development. It was discovered that the width of the bacilli is about constant but that it doubles its length in one generation : growth did not appear to slow down at the moment of division. In yeast bacteria on the contrary the growth varies in speed and is slowest at the moment preceeding division.
THE CINEMA IN THE SERVICE OF MEDICINE
At the 101st session of the "Deutsche Kinotechische Gesellschaft " at Berlin, Dr. Hoefer, who has used the Cinema for scientific observation at the Chanty Hospital in Berlin, gave a talk on the service rendered by ultra rapid Cinema in Medecine.
Supporting his speech, Dr. Hoefer showed ultra rapid microcinematography of the muscular tissue cell movements. Dr. Hoe
fer s film first shows the process for extracting arterial plasm from a chicken or fertilized egg for the preparation of a culture of tissue cells. According to microscopy the cells do not seem to more but the microcinema in its ultra rapid form shows that they move considerably.
Dr. Hoefer's film also shows ether phenomena of cell life, such as destruction and subdivision with great clarity.
THE FIRST WORLD RECREATION CONGRESS
The First World Recreation Conference will be held at Los Angeles, California, U. S. A., from July 23rd to 29th, 1932, during the week preceding the Olympic Games. President Hoover is the Honorary President of the Congress which has been organized by the American National Recreation Association and the International Advisory Committee consists of such well known European personalities as The Earl of Derby, Dr. Theodor Lewald of Berlin, Dr. Alice G. Masarykova of Prague, The Comte de Baillet Latour of Brussels, Dr. I. Szukovathy of Budapest, Albert Thomas of Geneva, etc...
It is probable that sport and physical
exercices will capture the attention of this congress to a great extent but more intellectual pursuits are sure to have their place.
The Cinema tends to occupy a more and more important place in the recreational world. Before the foundation of the I. I. E. C. the International Labour Office undertook an inquiry into the place of the ci nema in the amusements of workpeople. This is now being carried out by the I. I. E. C. Mr. Albert Thomas, director of the B. L. 0. and member of the Congress Comittee is a great friend of the Institute and his presence at Los Angeles ensures the educational Cinema an important place in the discussions.