Animals use diverse strategies to specify tissue lineages during development. A common
strategy is to partition maternally supplied and localized lineage determinants into progenitor …

The formation of the three lineages of the mouse blastocyst provides a powerful model system
to study interactions among cell behavior, cell signaling, and lineage development. Hippo …

Outside cells of the preimplantation mouse embryo form the trophectoderm (TE), a process
requiring the transcription factor Tead4. Here, we show that transcriptionally active Tead4 can …

The widespread extinctions of large mammals at the end of the Pleistocene epoch have
often been attributed to the depredations of humans; here we present genetic evidence that …

We address 3 major questions facing wildlife managers and wildlife users of northern
ecosystems: (1) Why do moose (Alces alces) often remain at low densities relative to K carrying …

… The primary technique used to determine distribution and abundance of wolves was to
count tracks in snow from the air durirlg mid- to late winter (Stephenson 1978a). During the first …

… During the 1970s, not long after the Nunamiut had settled in their village of Anaktuvuk
Pass after centuries of semi-nomadic life, RO Stephenson was able to work with them as an …

This study explores Hemingway's newspaper and magazine journalism, his introductions and
prefaces to books by others, his program notes on painting and sculpture exhibitions, and …

Objective To determine preliminary efficacy of a home-based behavior-change intervention
designed to promote exercise, walking activity, and disease self-management. Design A …

In a non-spherical stellar explosion, non-radial motions become important near the stellar
surface. For realistic deviations from spherical symmetry, non-radial flow dramatically alters …