Contrasting views on human population growth

Contrasting views on the infectivity of gonorrhoea.

Human population growth as proximate cause of wetland dynamics

The study examined the influence of population as proximate cause of wetland dynamics in the lower Ogun river basin of southwestern, Nigeria. Both primary and secondary data were used for the study. The primary data included 100 questionnaires administered and distributed among the fadama users group representing 10% of the estimated population of the group. Satellite images of years 1972, 1984...

Contrasting Opposing Views of News Articles on Contentious Issues

We present disputant relation-based method for classifying news articles on contentious issues. We observe that the disputants of a contention are an important feature for understanding the discourse. It performs unsupervised classification on news articles based on disputant relations, and helps readers intuitively view the articles through the opponent-based frame. The readers can attain bala...

Contrasting Views: Student and Teacher Perceptions on Ict in Education

This paper reports on a study of upper secondary school teachers’ and students’ perceptions of information and communication technologies (ICT) in education. Data for the study are interviews with teachers and students that are part of a Swedish fouryear project concerned with the advanced use of ICT in education. The results show that teachers use ICT for several different purposes, and that s...

Contrasting signatures of population growth for mitochondrial DNA and Y chromosomes among human populations in Africa.

A history of Pleistocene population expansion has been inferred from the frequency spectrum of polymorphism in the mitochondrial DNA (mtDNA) of many human populations. Similar patterns are not typically observed for autosomal and X-linked loci. One explanation for this discrepancy is a recent population bottleneck, with different rates of recovery for haploid and autosomal loci as a result of t...