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Lydia Luncz, Alexander Piel, and Fiona Stewart/The Conversation
Get latest from Lydia Luncz, Alexander Piel, and Fiona Stewart/The Conversation
Scientists caught chimps smashing tortoises like walnuts for future snacking
By Lydia Luncz, Alexander Piel, and Fiona Stewart/The Conversation / May 24, 2019