Over the last decade, researchers have developed sophisticated online learning environments
to support students engaging in dialogic argumentation. This review examines five …

Currently, 8.5% of the US population meets criteria for alcohol use disorders, with a total
cost to the US economy estimated at $234 billion per year. Alcohol and tobacco use share a …

The authors review the empirical literature that studies the relationship between foreign direct
investment, productivity, and growth using aggregate data and focus on two questions: Is …

Bacteria were first detected in human tumors more than 100 years ago, but the characterization
of the tumor microbiome has remained challenging because of its low biomass. We …

Human gut microbiome composition is shaped by multiple factors but the relative contribution
of host genetics remains elusive. Here we examine genotype and microbiome data from …

Non-caloric artificial sweeteners (NAS) are among the most widely used food additives
worldwide, regularly consumed by lean and obese individuals alike. NAS consumption is …

Elevated postprandial blood glucose levels constitute a global epidemic and a major risk
factor for prediabetes and type II diabetes, but existing dietary methods for controlling them …

Collaborative learning in computer-supported learning environments typically means that
learners work on tasks together, discussing their individual perspectives via text-based media …

BackgroundMajor depression is associated with significant disability, morbidity, and
mortality. The current study estimated trends in the prevalence of major depression in the US …

A variety of species of bacteria are known to colonize human tumours 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8
, 9 , 10 – 11 , proliferate within them and modulate immune function, which ultimately affects …