BACKGROUND Humans are altering the planet, including long-term global geologic
processes, at an increasing rate. Any formal recognition of an Anthropocene epoch in the …

Across the world, soils are managed with an intensity and at a geographic scale never
before attempted, yet we know remarkably little about how and why managed soils change …

Pedology was born in the 18th and 19th centuries, when soil was first conceived as a natural
body worthy of its own scientific investigation. For well over a century, pedology explored …

The ability to detect recent natural selection in the human population would have profound
implications for the study of human history and for medicine. Here, we introduce a framework …

With the availability of a dense genome-wide map of single nucleotide polymorphisms (SNPs)
1 , a central issue in human genetics is whether it is now possible to use linkage …

Background Research in evolution requires software for visualizing and editing phylogenetic
trees, for increasingly very large datasets, such as arise in expression analysis or …

This revision of the classification of eukaryotes follows that of Adl et al., 2012 [J. Euk. Microbiol.
59(5)] and retains an emphasis on protists. Changes since have improved the resolution …

Choanoflagellates are the closest known relatives of metazoans. To discover potential
molecular mechanisms underlying the evolution of metazoan multicellularity, we sequenced and …

… In Facing East from Indian Country, Daniel K. Richter keeps Native people center-stage …
In rediscovering early America as Indian country, Richter employs the historian's craft to …

Richter examines a wide range of primary documents to survey the responses of the peoples
of the Iroquois League--the Mohawks, Oneidas, Onondagas, Cayugas, Senecas, and …