As US scrutinizes joint replacements, study finds no way to predict risk

The American federal government has started a program that penalizes hospitals for readmission of joint replacement patients within 90 days, but a new study finds there is no good index for assessing that risk.

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Climate change could dramatically alter fragile mountain habitats, study reveals

Mountain regions of the world are under direct threat from human-induced climate change which could radically alter these fragile habitats, warn an international team of researchers.

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Controlling adhesive material remotely with light

Adhesive mechanisms in the natural world have many advantages: they are always strongly adhesive -- and without any glues or residues. Scientists are researching how these mechanisms can be artificially created. An interdisciplinary research team has now succeeded in developing a bioinspired adhesive material that can be controlled remotely by using UV light. This way it is possible to precisely transport objects in a micro-range.

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Video game ratings work, if you use them

Nearly every video game sold or downloaded comes with a rating that provides age-appropriate guidelines based on the game's content. Critics have questioned the effectiveness of ratings, but new research finds children spend less time playing violent video games when their parents use the rating system to guide purchases and set rules for video game play.

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New study highlights need to increase female peer reviewers

Publishers of scholarly journals should take additional steps to get more women to serve as peer reviewers of manuscripts, according to a new analysis that shows women across all age groups have fewer opportunities than men to participate in this career-building activity.

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