Invisible Radiations of Organisms
Otto Rahn
Gebundenes Buch

Invisible Radiations of Organisms

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FOREWORD: Visible biological radiations have always greatly attracted mans curiosity fireflies and glow worms, I uniiiit went wood, phosphorescent meat, and the illuminating organs of deep sea fish are among the well-known wonders of nature. The biological importance of this luminescence seems to be in no proportion to the impression it makes upon the human mind. While it is assumed by some biologists that it has the purpose of attracting the prey, of frightening enemies, or of luring the male to the female, other investigators have contested these theories. The phosphorescent bacteria usually...