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  • Core Concept: Chimeras keep courting controversy
    Recent policy squabbles are the latest twist in a decades-long saga over these organismal and cellular contrivances. Some consider them ethically fraught. Others see a doorway to disease cures. Image courtesy of Juan Carlos Izpisúa Belmonte.

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  • Sound-meaning associations in language
    Based on an analysis of nearly two-thirds of the world’s languages, researchers report statistical associations between sounds and word meanings, such as ”n” with words for “nose” and “r” with “round,” which are common across otherwise unrelated languages, suggesting that the relationship between sound and meaning in human languages might not be entirely arbitrary.
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