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Saturday, August 24, 2019
Not Just Humans, Crows Also Behave More Optimistically After Using Tools
McCoy and colleagues devised an experiment to test how optimistic crows felt after using tools.
from Top Buzz News- News18.com https://ift.tt/2NtwJy7
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McCoy and colleagues devised an experiment to test how optimistic crows felt after using tools.
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