Our work is to analyze how the practice of chosen video games may influence the player's interest. A set of video games was selected by a group of experts according to their qualities as games and their relations with scientific knowledge. A focus test experiment has been set up to evaluate the correlation between teenagers engagement and their interest in scientific domains. The analysis of th...

"This paper attempts to describe the nature of Zambia's demographic situation, which eventually led to the formulation of a national population policy; the policy instrument; and some of the measures necessary for the effective implementation of the policy....[The] situation is characterised by three dominant features: a high rate of natural increase, massive urbanisation, and wide variations ...

objective: thymoquinone (tq), as the main component of nigella sativa plant, shows anticancer properties. this study was aimed to evaluate the combined effect of tq and tamoxifen (tam) on viability and apoptosis of human breast cancer cell lines. materials and methods: in this experimental study, estrogen positive mcf-7 and estrogen negative mda-mb-231 human breast cancer cell lines were induce...

This paper studies the e ects of vertical integration on innovation in the chipset and smartphone industries. I formulate and estimate a dynamic structural model of a dominant upstream chipset maker and downstream smartphone handset makers. The two sides make dynamic investment decisions and negotiate chipset prices via Nash bargaining. Using the estimates, I simulate market outcomes should the...