A characteristic peculiar ta the 20th century has been the emphasis
placed upon psychology.
Significant recent advances in the physical sciences have been mainly <div>applications of past experience and methods of research in the particular field.
The psychological implications of the recent advances in physical sciences for
human welfare, human nature and human experience that have manifested themselves
in our time, are new. Interest in these implications pervades all institutions,
industrial, educational, medical, economical, among them, and introduces an increasing
accuracy into our insights of human behaviour. So new is the psychological
development that complete ordering of the boundaries of the branches and aspects
of psychological data has yet to be achieved. A variety of areas is being
developed, with constant readjustment of relations between developed areas, and
as it continues, the scientifically verifiable background knowledge of education
accumulates.</div>
Recent advances in the synthesis and synthetic applications of Betti base (aminoalkylnaphthol) and bis-Betti base derivatives
