Bentley Glass

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An attempt has been made to examine the exponetial rate of increase of the great discoveries, the "milestones," in the rise of biology from the beginning of the seventeenth century, and particularly in the rise of genetics from the beginning of the twentieth century. The biological sciences in general, during the three centuries named, exhibit a doubling of(More)
1. L-tryptophan mixed dry with brewers’ yeast, or dissolved in a yeast-agar medium, when fed to larvae of theSu-er bw; st er strain, caused an increase in the incidence of tumours from 4 to over 60%, and in the frequency of erupt eyes from. 9 to over 35%. When embryos were first exposed to pure oxygen, and the same individuals as larvae were subsequently(More)