Identifying markers that are indicative of individual state, related to fitness, and which could be used to study life-history trade-offs in wild populations is extremely difficult. Recently, it has been suggested that telomeres, the ends of eukaryote chromosomes, might be useful in this...

Accurate measurement has been a key tool of management in the search for profits. But over the few years, new beliefs and views of how best to measure performance have given some companies what they as a competitive edge.