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Covering the bases with cover crops

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Instead of being harvested, many cover crops are returned to the soil. In this way their nutrients can be used by other crops. Legume cover crops, in particular, are an excellent source of nitrogen — a key nutrient for all plant life. Researchers find cover crop decomposition and nitrogen release vary with type of cover […]

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Relationship quality affects siblings’ mental health, risky behaviors

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The Latino culture, more than others, places a high value on the family unit; yet, little research has examined the dynamics of Latino family relationships and how those dynamics affect children’s development. Now, a researcher has found sibling relationship quality in adolescence affects Mexican-origin adolescents’ and young adults’ later depressive symptoms and their involvement in […]

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Our environment shapes our language

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In a series of experiments, researchers show that novel communication systems reflect a variety of environmental and interactional factors. These findings challenge long-established ideas that syntax is innate and strongly determined by cognitive biases.

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Engines of change: Scientists recover rare earths from electric and hybrid vehicle motors

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In an effort to help develop a domestic supply of rare earth elements, researchers at Worcester Polytechnic Institute have developed a novel method of chemically separating these materials — specifically neodymium, dysprosium, and praseodymium — from the drive units and motors of discarded electric and hybrid cars. The goal is to recycle rare earths that […]