麻豆社

What can alarm calls from Senegal鈥檚 green monkeys tell us about technology's impact on primates? Scientists have found similarities between warning cries from these monkeys and a separate population across the continent's responses to eagles. Prof Julia Fischer from the German Primate Centre in G枚ttingen led the research as part of a study into the development of human speech.

(Image: West African green monkey. Credit: Getty Images.)