… In addition, the mass of a typical automobile is at least an order of magnitude greater than
a bicycle plus its rider, and motorized vehicles have top speeds that are considerably faster …

Comparative analysis of predicted protein sequences encoded by the genomes of
Caenorhabditis elegans and Saccharomyces cerevisiae suggests that most of the core biological …

Preterm birth is the most common cause of low infant birth weight and infant morbidity and
mortality. Evidence from human and animal studies indicates that essential fatty acids of both …

Genomic sequencing has made it clear that a large fraction of the genes specifying the core
biological functions are shared by all eukaryotes. Knowledge of the biological role of such …

INTRODUCTION The cerebral cortex underlies our complex cognitive capabilities.
Variations in human cortical surface area and thickness are associated with neurological, …

Species of malaria parasite that infect rodents have long been used as models for malaria
disease research. Here we report the whole-genome shotgun sequence of one species, …

The authors consider the role of gender as it relates to e-commerce and offer a conceptual
framework that attempts to explain why women are less satisfied than men with the online …

Sex differences in the human brain are of interest for many reasons: for example, there are
sex differences in the observed prevalence of psychiatric disorders and in some …

Cumulative evidence indicates that osteoblasts and adipocytes share a common mesenchymal
precursor and that bone morphogenetic proteins (BMPs) can induce both osteoblast and …

This article explores whether local institutions matter for controlling neighborhood violence.
Disadvantaged neighborhoods have difficulty attracting and maintaining conventional …