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Some exciting statistics of Dean Kendall's: Many microbes reproduce (by fission) in 15 minutes. If this rate were kept up for 96 generations (24 hours), the descendants of one parent cell would number more than 78 octillions. (There are only 31 trillion seconds in a million years!) These unthinkable populations are held in check, however, by competition, lack of food, poisons, etc. At a moderate estimate, 30 trillions of bacteria are excreted from one human body each day. Yet these 30 trillions weigh, on the average, only two ounces. The biggest known microbe is the bacillus...

Author: /time Magazine | Title: Medicine: Good Germs | 10/15/1923 | See Source »

...just been placed in the Fogg Art Museum. Among the prints shown are great masterpieces in engraving including Pollainole's Battle of the Nudes, Mantegna's Virgin and Child, and Battle of the Lea Gods; Albrecht Durer's Melancholia, Knight of Death, Adam and Eve, St. Gerome in his Cell; Rembrandt's Three Trees, and Three Crosses; and the Black Lion Wharf, and Fiddler; by Whistler. A group of old engraver's tools serve to make clearer the technical processes, and to make the exhibition more interesting...

Author: NO WRITER ATTRIBUTED | Title: EXHIBT ENGRAVINGS AT FOGG | 10/1/1923 | See Source »

...dominant view among biologists today, backed by much exact microscopic research into the composition of cells, in the laboratories of such men as Profs. Clarence MeClung, of the University of Pennsylvania, Michael F. Guyer, of the University of Wisconsin, and T. H. Morgan and Edmund B. Wilson, of Columbia, rests on strictly objective data. They say there is a special chromosome (chromosomes are minute bodies of constant number and appearance for each species of plant or animal which appear in the cells during cell-division) called the X-or accessory chromosome, which is found in half the spermatozoa of male...

Author: /time Magazine | Title: Science: Male and Female | 7/16/1923 | See Source »

Alich's theory is somewhat supplemental to the established one, and his data have been submitted to the French Academy. He objects to the idea that the origin of sex differences is to be found in differences in the male cells only, and claims that both the spermatozoon and the ovum have activating " microcellules." These seek their complement in the other sex cell, but if the male micro-cellules preponderate in number over the female the result will be a male embryo, and vice versa. But Alich also believes that various other factors affect this potential energy...

Author: /time Magazine | Title: Science: Male and Female | 7/16/1923 | See Source »

...Butts experimented with a galvanometer and an electric circuit on nearly 200 pairs of rats, one cancerous, the other healthy. The cancer tissue acted exactly like the positive pole, and the normal rat, the negative, in an ordinary dry-cell circuit He proved that cancerous tissue has an excess of positive charge which may be neutralized by the application of an equal negative charge. This explains why X-ray and radium treatment, in which the alpha or positive rays are screened off by a lead shield, while the beta and gamma rays (negative) are allowed to reach the diseased tissue...

Author: /time Magazine | Title: Medicine: Wild Cells | 6/25/1923 | See Source »

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