an investigation of the incidence of colour defects was made in primary school students. the children ranged in age from 7 to 14 years. the frequencies were 7,04 per cent. for males and 0,53 per cent. for females.

Persons over 65 years of age now comprise 11 per cent. of the population. This proportion is rising; 50 years ago it was 5 per cent., and it is estimated that in 50 years' time it will be 17 per cent. (Logan, 1953). Correspondingly, the medical and surgical needs of the elderly are demanding increasing attention. It is common to find one-third of the beds in accident wards occupied by these peo...

The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specif ic statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Preface Differential geometry is traditionally regarded as the study of smooth manifolds, but sometimes this framework is too res...

Identification of simultaneous speech sounds, such as pairs of steady-state vowels (double vowels), is more accurate when there is a difference in fundamental frequency (F0). Accuracy of identification for double vowels increases with increasing F0 difference (delta F0) asymptoting above 1 semitone. The experiment described here attempts to distinguish two mechanisms underlying this effect: fir...

purpose :   nutrition is an important component of any physical fitness program. the main dietary goal for active individuals is to obtain adequate nutrition to optimize health fitness and to increase sports performance. the present study aims to assess the nutrition knowledge, attitude and practice among the selected athletes. methods:   athletes from five different private colleges situated i...

purpose nutrition is an important component of any physical fitness program. the main dietary goal for active individuals is to obtain adequate nutrition to optimize health fitness and to increase sports performance. the present study aims to assess the nutrition knowledge, attitude and practice among the selected athletes. methods athletes from five different private colleges situated in salem...