Research Article

Mizuno et al. published their research paper "Asian elephants acquire inaccessible food by blowing"
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Research Article

Kano and Hirata published their research paper on apes' memory of single evensts in Current Biology.
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Book published

Nakamura M, Hosaka K, Itoh N, Zamma K 2015. Mahale Chimpanzees: 50 Years of Research. Cambridge University Press, Cambridge.