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Ants

Ants are expert navigators, even walking backwards: study

MIAMI: Despite their tiny size, ants are sophisticated navigators that can find their way even while walking backwards, and these skills could help inspire better robots, scientists say. The findings in this week's edition of the journal Current Biology are based on a colony of desert ants that were studied to see how they navigated home while carrying pieces of a cookie. Carrying small bits, they walked forward. But with larger pieces, they dragged them backwards toward their nest, occasionally dropping the food to check…