They have a disproportionate tendency to be living close enough to the edge to be eligible for food stamps, Medicaid, and other government programs meant to aid low-income households.

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Motivated by my own experience of the civil service tendency to hold things close to the chest, one of the first things I did after becoming chief scientific adviser was to set out formal guidelines for handling science advice in policy making.

BBC: VIEWPOINT

But microscopic bubbles of gas have a tendency to collapse within a few seconds, and so must be injected close to the site of interest.

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