July 5, 2006
Ants Count Steps to Find Food, Nest
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Scientists have long wondered how Saharan desert ants are able to travel between their nests and food sources in an environment with few landmarks. Researchers recently uncovered the answer when they altered the length of the insects' stride. After attaching stilts to ants' legs, the researchers found that the insects overshot their destination, suggesting that they have internal pedometers that help them correctly assess traveling distance.
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