Abstract
Day after day Nature reveals challenges to the perception of man. It is very curious to notice that the scales of biological and cultural evolution differ so much: at least two million years passed from Australopithecus to Homo sapiens; yet in much less than fifteen thousand years Homo sapiens changed into today’s man, a member of a civilized community that understands that the search for truth and the dignity of mankind are the highest ideals of his life.
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© 1978 Plenum Press, New York
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de A. Azevedo, J.C. (1978). Opening Address. In: Döbereiner, J., Burris, R.H., Hollaender, A., Franco, A.A., Neyra, C.A., Scott, D.B. (eds) Limitations and Potentials for Biological Nitrogen Fixation in the Tropics. Basic Life Sciences, vol 10. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-8957-0_1
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DOI: https://doi.org/10.1007/978-1-4615-8957-0_1
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