Mothers can be a positive influence in their childrens lives, whether or not they are single parents. A new multiethnic study at Cornell University has found that being a single parent does not appear to have a negative effect on the behavior or educational performance of a mothers 12- and 13-year-old children.
What mattered most in this study, Cornell researcher Henry Ricciuti says, is a mothers education and ability level and, to a lesser extent, family income and quality of the home environment. He found consistent links between these maternal attributes and a childs school performance and behavior, whether the family was white, black or Hispanic.
"Over all, we find little or no evidence of systematic negative effects of single parenthood on children, regardless of how long they have lived with a single parent during the previous six years," says Ricciuti, who is professor emeritus of human development in the College of Human Ecology at Cornell.
Susan S. Lang | Cornell News
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
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The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs.
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power...
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