The ability of embryonic stem cells to give rise to all cells comprising the three germ layers – endoderm, mesoderm and ectoderm – highlights a powerful in vivo system for the study of early embryonic development. Human embryonic stem cell...
Phylogeography using nested clade analysis (NCA) is able to apply biological inferences to the history of populations of organisms independent of the population's structure. In the Western United States, phrynosomatine lizards have a complex...
Scotland -- Politics and government -- 20th century; Home rule -- Scotland
The democratic way in which the Scots pressed for more say in their own affairs is an object lesson in constitutional politics. On September 11, 1997 the voting booth and ballot box were the weapons the Scots used to attain Home Rule and the return...