Unexpectedly, despite their long evolutionary histories, ancient animal groups were found to have only accumulated low variation in their toxins. (sciencedaily.com)
Targeting the price level could mean lower variation of inflation than targeting inflation. (worthwhile.typepad.com)
«What really surprises me is that the immune systems of migratory birds show a similarly low variation to that of European sedentary birds. (lunduniversity.lu.se)