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https://poets.org/poem/object-permanence/embed

Object Permanence by Hala Alyan - Poems | Academy of American Poets

Object Permanence - This neighborhood was mine first. I walked each block twice:

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https://www.scienceblogs.com/retrospectacle/2006/08/04/friday-grey-matters-parrots-ha

Friday Grey Matters: Parrots Have Object Permanence | ScienceBlogs

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