introduction: this investigation was undertaken to examine the effect of 4centigrade degree temperature on development and implantation rate of mouse embryos. materials and methods: femal mice (4-6 week old) were induced to superovulate and were mated. two cell embryos were flushed from excited oviducts, 46 – 48 h after the infection of hcg, and were cultured to eight – cell stage in m16 medium...

A cross sectional study was carried out to evaluate the effect of rice husk dust in rice millers in Malaysia. Altogether 69 workers participated in this study. They were interviewed using standardized questionnaires and lung function tests were performed. Chest tightness was among the common symptoms (34.9%) complained by workers. Age, duration of employment and smoking status were among the fa...

Background: Infertility is defined as inability to achive pregnancy after one year of unprotected regular intercourse.it has been reported that about 10-15% of young couples suffer from infertility. There is evidence that antioxidants improve the fertility rate. Prunus cerasus contains strong antioxidant activity. The aim of this study is to evaluate Prunus cerasus effects on expression of prog...

The reproductive biology of lizard fish Saurida tumbil in the Jizan region of the Red Sea was studied during 1986. Females outnumbered males and attained larger size than males. Among young individuals male s were more numerous than females, while in older age groups the females were more num erous. There is no significant difference in length-weight relation ship between the sexes . The equa t...

The purpose of this study is to use computer simulation to establish the optimal release conditions for javelin world record holders. The researcher adopted the data on the relationship between the attack angle and the distance from COM (the javelin’s center of mass) to COP (the javelin's center of pressure), and used javelins which complied with the new rules [1]. Then numerical methods were u...

Jacques Roger (1920-1990) was one of the leading French historians of science of the twentieth century, noted for the definitive studies of his countryman Buffon. As professor at the Sorbonne and Director of the Ecole des Hautes Etudes en Sciences Sociales, the Centre Internationale de Synthese, and the Centre Alexandre Koyre, Roger was unquestionably a force to be reckoned with amongst French ...