Commentary: Bruised donor lungs—they may not be pretty, but they will still work

They think it's all over, but it may not be!

I t is evident that anyone required to perform at a high level in sport or other physically demanding occupation has a limited number of years before demands made on the body begin to take their toll, sometimes accompanied by difficulties of a psychological nature. Although there may be a good deal of informal support from family, friends, and perhaps even other athletes who have retired, in so...

Comment: there may be compositional effects, but they do not work that way.

This analysis joins the debate on how declines in marriage have shifted the composition of the unmarried and married populations in the United States, and how compositional shifts have affected nonmarital birth rates. Gray, Stockard, and Stone (2006) presented one model for compositional effects that Ermisch (2009) challenged with alternative statistical tests. I propose an alternative model fo...

You may delay, but time will not!

London 2005, bruised but not broken.

Comparative psychology is still alive but may be losing relevance.

Greenberg et al., in their perspective on the current state and fate of comparative psychology, present convincing data that the field is viable and that comparative psychologists are making important contributions to the research literature. The central feature of the field is its emphasis upon evolution. This is also its weakness since advances in genetic techniques permit researchers to crea...