Native pastures are the main sources of food for ruminants in Northeast Brazil. Considering that animal feeding represents 70% to 80% of total costs, it is justifiable to maximize the use of pastures. Their correct use allows the conversion of structural carbohydrates into proteins of high biological value at a relatively low cost.
Grasses from Brachiaria genus are the basis of animal production in the tropics, allowing extensive areas for livestock Continue reading →
Today the average oil recovery in the world is less than 40%. This means that 60% of the reserves stays in the formation and can’t be extracted using the existing technologies. Thus, development of new technologies for enhanced oil recovery is a very urgent task.
However, there are more and more concerns about the environmental aspect of oil recovery. The technologies which enable the producers Continue reading →
A significant increase in sports-leisure activity events in recent years presents the opportunity to compete in all age categories. Among the many sport varieties, special attention ought to be paid to amateur sports—recreational sports, particularly in the context of the increasing leisure time among the elderly. Recreational sports activities are free of many distortions and Continue reading →
The good and bad of Internet use such as its effects on depression need to be examined over a period of time. Does the use of social media on the Internet affect depression over time and then in what way?
The obesity is the focus of very important scientific researches due to high incidences of this disease in our society. Understanding the metabolism of adipocytes can help in comprehension of this disease. In this work Sex Difference in Lactate Production by Adipocytes from Lean Humans, we investigated the gender differences in lactate production by adipocytes isolated from lean human visceral adipose tissues. We show that adipocytes isolated from lean women produced as Continue reading →
The gymnosperms are a group of plant which produces seeds. There is no ovary wall outside the ovule, and the seeds of these plants are bare. Gymnosperm and angiosperms make up the group of spermatophyte, and the two differ in flows, seeds and fruits. So far, the conifers, the dicotyledons, and the Gnetophytes are the largest groups of living gymnosperms. As one of the most important categories of plant, gymnosperms have great attraction for researchers.
This special issue aims at providing a platform for scientists and academics all over the world to promote, share, and discuss various new issues and developments in the area of gymnosperms. Potential topics included, but are not limited to: Continue reading →
While opportunities for women have changed greatly in society, particularly with regard to education and employment, women on TV remain trapped in the usual stereotypes.
In particular, women in today’s situational comedies seem to be forced into one of two roles: a sex object (with no real story of her own) or a straight-laced nag, even at times “monstrously” so. Continue reading →
This special issue on “Plant Viruses” will be focusing on the latest development in plant viruses. Plant viruses are viruses that affect and can be pathogenic to higher plants and they are obligate intracellular parasites that do not have the molecular machinery to replicate without a host. Plant viruses are grouped into 73 genera and 49 families. The first plant virus to be discovered was tobacco mosaic virus which cause billions loss in crop yields worldwide each year. Transmission methods of plant viruses include a series of ways such as through sap, insects, nematodes, and so on. As one of the most important research fields of scientific research, plant viruses are of great attractions to researchers.
In this special issue, we intend to invite front-line researchers and authors to submit original Continue reading →
We illustrate monopolist competition with an original theoretical model of hotel rooms available for rent on a daily basis. The product is differentiated in that hotel rooms offered for daily rental differ in location, Continue reading →
Why bullying is much associated with behavior problems in school boys.
In the case of negative social interactions, children tend to be rejected among peers. The boys are seen as more aggressive and girls as more tolerant, dialoguing and empathic. Also the quality of interpersonal relationships among peers seems to influence the social development of children since early ages. Children who Continue reading →