Exact(22)
Chronic national anxiety about obesity, cancer and diabetes has made nutrition a perpetual source of debate.
The gap in his training was not the geopolitics of the Middle East, a perpetual source of American security concerns.
Endowed gifts create a lasting legacy for the donor and provide a perpetual source of support for OHNS.
He was a cherished friend to us, and his dedication to our piano was a perpetual source of inspiration.
Race, in France as in the United States, is a perpetual source of confusion and discomfort; to address it is always, in some way, to get it wrong.
The museum's finances have been a perpetual source of concern, even as it has paid hefty salaries to its top executives.
Similar(38)
A much more low brow manifestation of endurance art is the good old Nyan Cat, born in April 2011 from an unlikely combination of inspiration (interview with the cat's designer here), and, with its bevy of offshoots and games, still serves as a literally perpetual source of joy and dread in the office.
The Azolla symbiosis is a highly integrated mutualistic symbiosis between a pro- and a eukaryote, the heart of which is a nutritional dependence by the plant on the perpetual source of combined nitrogen delivered by the nitrogen-fixing cyanobacterium.
A plan is necessary to exploit the world's forests as perpetual sources of supply with a minimum of waste, with proper distribution, and with more complete utilization.
And what is it about others — personal computers, suitcases — that makes them perpetual sources of confusion and distress?
Biogenic iron (hydr oxide flocs can sequester significant amounts of arsenic; this property may be useful for treatment of perpetual sources of As such as mine adit water, but the fate of As associated with natural accumulations of floc material needs to be assessed.
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