Vol 7, Issue 3, August 2020

• Cover Page
• Inside Pages
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• Twenty Years after Folk Physics for Apes: Researchers' Understanding of How Nonhumans Understand the World
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• How Flexible is Tool Use in Eurasian Jays (Garrulus glandarius)?
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• Zoo-Housed Chimpanzees Can Spontaneously Use Tool Sets But Perseverate on Previously Successful Tool-Use Methods
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• Can Asian Elephants Use Water as a Tool in the Floating Object Task?
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• Bornean Orangutans (Pongo pygmaeus pygmaeus) Use Water as a Tool in the Floating Object Task
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• Capuchin Monkeys Individuate Objects Based on Spatio-temporal and Property/Kind Information: Evidence from Looking and Reaching Measures
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• Understanding Solidity: Investigating Knowledge of a Functional Object Property in Brown Capuchin Monkeys (Sapajus apella) and Common Squirrel Monkeys (Saimiri sciureus)
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• More Rope Tricks Reveal Why More Task Variants Will Never Lead to Strong Inferences About Higher-Order Causal Reasoning in Chimpanzees
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• Trialling Meta-Research in Comparative Cognition: Claims and Statistical Inference in Animal Physical Cognition
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• Do Nonhumans Seek Explanations?
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• Folk Physics for Crows?
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• Folk Physics in the Twenty-first Century: Understanding Tooling as Embodied
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• Mothers, Environment, and Ontogeny Affect Cognition
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