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The American political climate has become increasingly polarized since the 1970s. Analysis by Keith Poole and Howard Rosenthal shows that voting patterns within Congress have become increasingly divided along party lines, with fewer and fewer moderates. A major cause of polarization appears to be the geographic sorting of voters: Communities and regions of the country have become more politically and ideologically homogeneous, resulting in constituencies in congressional districts and in states that are more strongly conservative or liberal. Whatever its causes, the effects of increased polarization on political discourse and policymaking are clear: There is less room for deliberation between the two parties, and public policy decisionmaking is increasingly driven more by ideology than by objective analysis of which policies, programs, practices, and processes will produce the desired outcomes at the lowest cost. The mission of the RAND Corporation is to provide just this sort of objective analysis, and today's heated political environment presents a serious challenge to this mission. To help make sure that RAND's objective, nonpartisan research influences the policy debate, RAND must work to identify potentially controversial findings and take steps to ensure that they are not misinterpreted or distorted.

Voting --- Elections --- Party affiliation --- Polarization (Social sciences) --- History --- Rand Corporation. --- United States --- Politics and government

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Child safety is everybody's concern, but much professional activity is misinformed or based on a misrepresentation of the facts, and preventative action is rarely adequately evaluated. Written and edited by leading researchers with an active role in social policy, this new book challenges both our understanding of the problem of child safety and points to the impotence of ""educational"" approaches based on ""knowledge enhancement"". The strong message is that improving children's knowledge has little or no effect on their behaviour. From the physical abuse of young children to drug abuse in a

Children's accidents --- Child abuse --- Safety education. --- Child welfare. --- Child protective services --- Child protective services personnel --- Children --- CPS (Child protective services) --- Humane societies --- Protection of children --- Family policy --- Public welfare --- Social work with children --- Social work with youth --- Accidents --- Safety training programs --- Childproofing (Accident prevention) --- Prevention. --- Charities --- Charities, protection, etc. --- Protection --- Prevention --- Study and teaching

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If you wish to grow or characterize embryonic stem cells or persuade them to differentiate into a particular cell type, then this book contains information that is vital to your success. The aim is to provide clear simple instructions and protocols for growing, maintaining and characterizing embryonic stem cells and details of the various methods used to make stem cells differentiate into specific cell types. The contents will be of interest to stem cell biologists, tissue engineers and scientists wishing to use embryonic stem cells for therapeutic purposes. Each chapter has been written and edited by internationally respected scientists working at the cutting edge of technological developments in human embryonic stem cells.

Embryonic stem cells. --- Biology. --- Life sciences --- Biomass --- Life (Biology) --- Natural history --- Embryonal stem cells --- Stem cells

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If you wish to grow or characterize embryonic stem cells or persuade them to differentiate into a particular cell type, then this book contains information that is vital to your success. The aim is to provide clear simple instructions and protocols for growing, maintaining and characterizing embryonic stem cells and details of the various methods used to make stem cells differentiate into specific cell types. The contents will be of interest to stem cell biologists, tissue engineers and scientists wishing to use embryonic stem cells for therapeutic purposes. Each chapter has been written and edited by internationally respected scientists working at the cutting edge of technological developments in human embryonic stem cells.