Has this question ever been studied before, and if so, what did those studies show?
The idea that we were looking at the chemical composition of the first few genes that had ever been studied in biology was just an amazing moment.
A casual comment by one of the Louvre curators, asking whether the painting had ever been studied, got Ms. González thinking.
Around Ducie and Henderson, two of the islands in the Pitcairn group, scientists found some of the healthiest populations of sharks and top predators of any underwater environment that has ever been studied.
Most agreed that the lack of fiber in the Western diet was deleterious to the microbiome, and still others voiced concerns about the additives in processed foods, few of which have ever been studied for their specific effects on the microbiota.
A supply chain that crosses such diverse social and geographical terrain, however, can only ever be studied in part.
Despite producing important environmental impacts, this phenomenon has hardly ever been studied separately from other wildfire ignition causes.
To the best of our knowledge, the existence and multiplicity of solutions to problem (1.1) has not ever been studied by variational methods.
It seems that, under the conditions ((P_{1})), ((P_{2})), the existence and concentration behavior of positive solutions to (1.1) have not ever been studied.
Paleoanthropologist Peter Brown of the University of New England in Armidale, Australia, who originally analyzed the skeleton, says, "I doubt that the material will ever be studied again".
