I’ll have what she’s having: Manipulation in chimpanzee copulation calls

When we think about animal relationships, some endearing examples of devoted couples come to mind: emperor penguins that faithfully guard their hatchlings for weeks while they wait for their mate to return; love birds (not surprisingly) that groom and feed each other during courtship, and some species of monkeys that intertwine their tails as they … Continue reading I’ll have what she’s having: Manipulation in chimpanzee copulation calls

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Real-life rock-paper-scissors

By David Fronk 1, 2, 3, shoot! Joe threw paper, Jane scissors, and you stuck with trusty rock. For the umpteenth time, you repeat the ritual in the hopes someone will deviate from their norms and break the cycle. 1, 2, 3, shoot! Same results. With each of you competing against each other, the stalemate … Continue reading Real-life rock-paper-scissors