Strongly imbalanced populations of fermions can pair up but, unlike balanced populations, do not condense into a superfluid state as temperature approaches 0 kelvin.
Consumption of diets high in fat and sugar influences the microbiota composition, which may lead to an imbalanced microbial population in the gut.
Many coastal towns experience high levels of out migration of young people that contributes to an imbalanced and ageing population.
One potential reason for trait mismatches is that geographic differences in community structure can alter the strength of selection imposed by one species upon another, and vice versa, resulting in putatively balanced armaments in some populations but imbalanced armaments in others.
This media hysteria denies the fact that immigration helps our economy and is a great boon to tackling the coming demographic imbalanced posed by our ageing population.
That really won't wash, particularly since Francis goes on to acknowledge that "attention needs to be paid to imbalances in population density, on both national and global levels".
The Middle East is today experiencing a twofold upheaval of immense proportions: a dramatic acceleration of climate change, water shortages, urban growth, environmental degradation, persistent economic and resource imbalances, and population explosions that coincide with wars, invasions, foreign interventions, civil and religious strife, and mass uprisings.
The international student population in British universities has become increasingly imbalanced, impacting on the international as well as domestic student experience.
Even the spread of properly licensed clinics could lead to a population imbalance, given the Chinese mania for boys.
