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PeerJ PrePrints - where biology is heading

Background: Illicit drug use influences people’s lives and elicits unwanted here is an increase in young people’s drug use in Sweden. This study aimed to investigate Swedish high-school pupils’ attitudes, impulsiveness and gender differences linked to drug use....

["Drugs and Devices","Psychiatry and Psychology"]

The role of soil organic carbon (SOC) in maintaining soil conditions and its resulting services is well established. Currently, over 1,000 articles per year are being published in peer-reviewed journals, and increasing at about 10% per year. It was not until the...

["Agricultural Science","Ecology","Environmental Sciences","Soil Science","Science Policy"]

Mutualisms play a central role in the origin and maintenance of biodiversity. Because many mutualisms have strong demographic effects, interspecific variation in partner quality could have important consequences for population dynamics. Nevertheless, few studies...


Despite women earning similar numbers of graduate degrees as men in STEM disciplines, they are underrepresented in upper level positions in both academia and industry. Editorial board memberships are an important example of such positions; membership is both a...

["Science Policy"]

Antifreeze proteins (AFP) in living organisms play a key role in their tolerance to extremely cold temperatures and have wide range of biotechnological applications. But on account of diversity, their identification has been challenging to biologists. Earlier work...

["Computational Biology"]

Background: Cardiovascular disease is a major cause of death in the western world. Regular physical activity is known to be highly beneficial for improving cardiovascular health status. Methods:The current abstract is based on the authors own data and a literature...

["Cell Biology","Diabetes and Endocrinology","Epidemiology","Kinesiology","Metabolic Sciences"]

The past influences the present and future; for example, in computational chemistry, simplifying assumptions and approximations critical to problem-solving in the pre-computing era remains relevant today in allowing simulation of larger systems with reasonable...

["Biochemistry","Bioengineering","Biophysics","Computational Biology","Computational Science"]

Long-lived marine megavertebrates (e.g. sharks, turtles, mammals, and seabirds) are inherently vulnerable to anthropogenic mortality. Although some mathematical models have been applied successfully to manage these animals, more detailed treatments are often needed...

["Computational Biology","Ecology","Marine Biology","Mathematical Biology"]

Background: Evidence denotes a direct association between parity and overnutrition in developing societies. This work aims to assess the relationship between them in Peruvian women, and to investigate whether this association varies by place of residence and socioeconomic...

["Epidemiology","Nutrition","Public Health","Women's Health"]

When net deforestation declines in the tropics, attention will be drawn to the composition and structure of the retained, restored, invaded, and created forests. At that point the seemingly inexorable trends towards increased intensities of exploitation and management...

["Biodiversity","Conservation Biology","Environmental Sciences"]

Expression of phenotypic plasticity depends on reaction norms adapted to historic selective regimes; anthropogenic changes in these selection regimes necessitate contemporary evolution or extirpation. Adaptation of conditional strategies following a change in the...

["Aquaculture, Fisheries and Fish Science","Ecology","Evolutionary Studies"]

We present the quantification and kinetic characterisation of the enzymes of the pentose phosphate pathway in Saccharomyces cerevisiae. The data are combined into a mathematical model that describes the dynamics of this system and allows us to predict changes in...

["Biochemistry","Computational Biology","Mathematical Biology"]

In ChIP-Seq and DNase-Seq experiments the density of background reads can vary from sample to sample. Differences in background read densities between samples do not necessarily correspond to proportional changes of read densities in true ChIP-Seq peaks. Therefore,...


Whale sharks are a major attraction for tourist divers and snorkelers in South Ari Atoll, Maldives. Yet without information regarding the use and economic extent of the attraction, it is difficult to prioritize conservation or implement effective management plans....

["Conservation Biology","Marine Biology","Coupled Natural and Human Systems"]

The links among scholarly citations creates a tremendous network that reveals patterns of influence and flows of ideas. The systematic evaluation of the networks can be used to create aggregate measures of journal influence. To understand the citation patterns...


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A PeerJ 'PrePrint' is a draft that has not yet been peer reviewed for formal publication. Similar to preprint servers that already exist (for example, authors can submit draft, incomplete, or final versions of articles they are working on.

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