Using a classic animal psychology experiment scientists have found that elephants understand how cooperation works and will offer a helping trunk to those in need.
Source: http://www.cosmosmagazine.com/news/4116/elephants-know-when-lend-a-helping-trunk
Cinthia Moura Claudette Ortiz Coco Lee Connie Nielsen Cristina Dumitru Daisy Fuentes Dania Ramirez
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