The trend toward distributed power generation reverses the usual one-way flow of power from a major plant to consumers, but it also requires a power grid that can effectively manage this two-way street.
A first generation reverse mutant was isolated in a bacterial screen and more recently a screen in Saccharomyces cerevisiae has led to the identification of rtTA molecules with improved regulatory properties (rtTA2-S2 and rtTA2-M2).
A comparison of the average relative earnings of the entire group of second-generation immigrants shows that the 5.0percentt earnings disadvantage in the first generation is reversed to a 1.6percentt earnings advantage for second-generation immigrants.
Correction: Returns From Social Security A chart last Sunday with the Economic View column, comparing Social Security's annual return on payroll taxes for groups within two generations of Americans, reversed the generations' labels.
Obama often discussed inequality during the 2008 campaign, and his health-care plan represented the most serious effort in a generation to reverse it.
The inevitable effect of this is the much greater risk to healthcare provision and patient safety throughout England, with the daunting prospect that it would take a generation to reverse the damage.
But, while traditional university study clearly continues to be valued by parents, the survey also highlights entrenched social division in attitudes to higher education, a divide that has remained despite political attempts over a generation to reverse it.
Statistics showing a continuing decline in alcohol intake, especially among students, suggest they are increasingly rejecting the drinking and drug-taking culture of their parents' generation and reversing the excesses of the late 1990s, said Professor Fiona Measham, a criminologist at Durham University, who has been studying drinking patterns for more than two decades.
It has pervaded Pakistani society and branches of government in ways that could take a generation to reverse.
The result is a country whose social fabric and tradition of tolerance is being fundamentally altered in ways that could take a generation to reverse.
