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In a classic The Far Side cartoon by Gary Larson, a group of cows stand on two legs chatting by the side of a road when a lookout shouts “car”. The cows immediately drop to a four legged stance as the car passes by. When it has gone, they return to their usual position and continue chatting.
The social lives of cows are clearly more complex than biologists imagine. But any mystery is about to be cleared up thanks to the work of Shi Chen at the University of Tennessee, Knoxville, and a few pals. These guys have studied the social networks formed by cattle in unprecedented detail for the first time. The results have important applications for everything from animal behaviour to disease transmission.
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