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Analogies are often used in science, but students may not appreciate their significance, and so the analogies can be misunderstood or discounted. For this reason, educationalists often express concern about the use of analogies in teaching. Given the important place of analogies in the discourse of science, it is necessary that students are explicitly shown how they work, perhaps based on the structure-mapping theory we outline here. When using an analogy, the teacher should very clearly specify both its components and its limitations. Great care is required in developing an analogy to ensure that it is understood as intended and that misconceptions are minimized. This approach models the behavior of a scientist, which helps to develop student understanding of the practice of science.  相似文献   

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Identifying ecological patterns across broad spatial and temporal extents requires novel approaches and methods for acquiring, integrating and modeling massive quantities of diverse data. For example, a growing number of research projects engage continent-wide networks of volunteers ('citizen-scientists') to collect species occurrence data. Although these data are information rich, they present numerous challenges in project design, implementation and analysis, which include: developing data collection tools that maximize data quantity while maintaining high standards of data quality, and applying new analytical and visualization techniques that can accurately reveal patterns in these data. Here, we describe how advances in data-intensive science provide accurate estimates in species distributions at continental scales by identifying complex environmental associations.  相似文献   

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The administrators of the only program of its kind in the US explain the demand for a Master's degree in Laboratory Animal Science, the value of the degree, and plans to expand the program to make it available for distance learning.  相似文献   

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神经科学:脑研究的综合学科   总被引:4,自引:0,他引:4  
Lao Y  Lu B  Mei L 《生理科学进展》1998,29(4):367-374
目录一、神经科学对社会和科学发展的意义(一)神经科学对社会健康的意义(二)神经科学对社会发展的意义(三)神经科学发展的科学意义(四)国际社会和国际科技界对神经科学的重视二、神经科学前沿简介(一)脑的高级功能(二)脑和神经系统的疾病(三)脑发育的分子原...  相似文献   

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Open science     
《Current biology : CB》2023,33(15):R792-R797
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Niche science     
Studies on stem cell aging are uncovering molecular mechanisms of regenerative decline, providing new insight into potential rejuvenating therapies.  相似文献   

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Sharing science     
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Denying science     
《Nature medicine》2006,12(4):369
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