The Neolithic technological revolution was built on collecting, concentrating, selecting and harvesting plant and animal species in an organized fashion, with the aim of having more products closer to hand and easier to convert into nutrition.
Biosorption has been defined as the property of certain biomolecules (or types of biomass) to bind and concentrate selected ions or other molecules from aqueous solutions.
Economies of scale have led to the production of animals at large facilities concentrated in selected regions.
This permitted "grand batteries" to be assembled in the midst of battle and fire to be concentrated against selected spots in the enemy front until it was torn to shreds.
Most notable is the change which occurred following the onset of climatic aridity at 5900 cal yr BP, when the region's semi-nomadic, herder-gatherer populations abandoned much of the landscape and concentrated in selected environmental refugia, such as along the northern Omani coast.
A study from 2012 on the more general effects of solitude notes this problem: "Most studies in this field of research have been cross-sectional and have concentrated on selected populations such as elderly people living alone or single parents," that report says.
On one hand, some functions are concentrated in selected clades.
Currently, global public health policies are concentrated on selected conditions around infectious diseases and on the technological solutions for them.
However, most studies in this field of research have been cross-sectional and have concentrated on selected populations such as elderly people living alone [ 15, 16] or single parents [ 17].
It was, she said, "just one more depressing example of academic philosophers' obsession with concentrating on selected, artificial examples so as to dodge the stress of looking at real issues".
