Comparative studies of ethnically diverse human populations, particularly in Africa, are
important for reconstructing human evolutionary history and for understanding the genetic basis …

INTRODUCTION Variation in pigmentation among human populations may reflect local
adaptation to regional light environments, because dark skin is more photoprotective, whereas …

Comparative historical methods are used to explain the transformation of the US penal order
in the second half of the 20th century. The analysis of multiple state-level case studies and …

Africa is the birthplace of modern humans, and is the source of the geographic expansion of
ancestral populations into other regions of the world. Indigenous Africans are characterized …

In humans, the ability to digest lactose, the sugar in milk, declines after weaning because of
decreasing levels of the enzyme lactase-phlorizin hydrolase, encoded by LCT. However, …

Background MiRNA expression profiling is being actively investigated as a clinical biomarker
and diagnostic tool to detect multiple cancer types and stages as well as other complex …

This article combines insights from historical research and quantitative analyses that have
attempted to explain changes in incarceration rates in the United States. We use state‐level …

Background Gut microbiota from individuals in rural, non-industrialized societies differ from
those in individuals from industrialized societies. Here, we use 16S rRNA sequencing to …

To date, SARS-CoV-2 (the virus that causes COVID-19) has spread to almost every region of
the world, infecting millions and resulting in the deaths of hundreds of thousands of people. …

This article examines the rise of “law and order” politics in Texas, providing an in-depth archival
case study of changes in prison policy in a Southern state during the pivotal period when …