ScienceJohn Michels (Journalist) 1944 |
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Page 108
... natural sequence of fertility restoration . For the most part each plant and each animal uses the same elements for its existence . Sixteen ele- ANIMAL LIFE AIR WATER SOIL NATURE'S CYCLE OF PLANT FOOD CONSERVATION PLANT LIFE Name of ...
... natural sequence of fertility restoration . For the most part each plant and each animal uses the same elements for its existence . Sixteen ele- ANIMAL LIFE AIR WATER SOIL NATURE'S CYCLE OF PLANT FOOD CONSERVATION PLANT LIFE Name of ...
Page 137
... nature and suggested that his unusual results might be due to a defect in the filter candle or to the presence of a bacterial toxin . How- ever , six years later Beijerinck confirmed Iwanowski's filtration results and proved by serial ...
... nature and suggested that his unusual results might be due to a defect in the filter candle or to the presence of a bacterial toxin . How- ever , six years later Beijerinck confirmed Iwanowski's filtration results and proved by serial ...
Page 275
... Natural History , to develop a natural history program for the department . A Nature Committee was formed as an advisory planning group . Its eleven members are representatives of the Outdoor Nature Club , Boys and Girls Scouts , public ...
... Natural History , to develop a natural history program for the department . A Nature Committee was formed as an advisory planning group . Its eleven members are representatives of the Outdoor Nature Club , Boys and Girls Scouts , public ...
Contents
VOL | 1 |
A Longevity of the Eminent 345 | 20 |
Royal Observatory Greenwich 165 Standards Association American | 32 |
63 other sections not shown
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Academy of Sciences acid activity Advancement of Science agricultural amebiasis American Association animals annual applied appointed areas Asso avidin awarded Biol biological biotin botany Cattell cells cent chairman Chem chemical chemistry chemists Chicago clavacin College Columbia University committee Company Council desthiobiotin director disease effect elected engineering enzyme estrogen experiments field filariasis Foundation Geological growth human industrial infection Institute investigations Jour Journal laboratory lectures lysozyme malaria material mathematics Medal meeting ment method mice Museum National nature nutrition organic chemistry organization paper patulin penicillin physical plants present president problems production professor protein psychology Public Health published rats recent RECENT DEATHS reported Rockefeller Foundation School of Medicine scientific scientists secretary Smithsonian Institution Building Society solution Soviet species Technology thiouracil tion tropical medicine United versity vice-president virus vitamin Washington William York York City zoology