New tires allow race cars to take tight turns at high speeds. Hind wings give moths and butterflies similar advantages: They are not necessary for basic flight but help these creatures take tight turns to evade predators.
Eisner and the paper’s lead author, Benjamin Jantzen, (M.S. physics ‘02), a doctoral student in philosophy of science at Carnegie Mellon University, clipped off the hind wings of butterflies and then filmed their flight using two ...
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Anyone who has tried to net a colorful butterfly knows they are hard to catch, but this is the first study to show that a butterfly’s hind wings are responsible for making them evasive. Butterflies in flight. (Credit: Image courtesy of ...