Scientific American, Volum 235Munn & Company, 1976 |
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Side 125
... Americans , to the birth of astrophysics and development of astrophotography , through 20th cen- tury American astronomy the dis- covery of quasars , pulsars , black holes - and the start of our nation's third cen- tury , " Toward Man's ...
... Americans , to the birth of astrophysics and development of astrophotography , through 20th cen- tury American astronomy the dis- covery of quasars , pulsars , black holes - and the start of our nation's third cen- tury , " Toward Man's ...
Side 127
... American con- sumers reduced their total meat intake by 25 percent , the U.S. could export 103 percent more grain . Or if silage were substituted for 25 percent of the grain that is fed to cattle , American grain ex- ports could be ...
... American con- sumers reduced their total meat intake by 25 percent , the U.S. could export 103 percent more grain . Or if silage were substituted for 25 percent of the grain that is fed to cattle , American grain ex- ports could be ...
Side 138
... American public health was robust ; Eq- uitable Life had its best year . But in the midst of the lightly regarded pandemic a new virus had appeared , and " some 1.5 million American adults who were most perfectly qualified to cultivate ...
... American public health was robust ; Eq- uitable Life had its best year . But in the midst of the lightly regarded pandemic a new virus had appeared , and " some 1.5 million American adults who were most perfectly qualified to cultivate ...
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