Two sets of transparent wings extend from their spine ... They eat mosquitoes, midges, flies, bees, butterflies, and other small insects that they can easily catch while flying.

Drain flies are small insects that live in areas with drains ... are brown-gray or black that have a fuzzy appearance. Their wings are also hairy and shaped like leaves. When a drain fly is ...

Related: 8 of the weirdest robots in the world right now Wing flexure is the ability of an aircraft’s wing (in this case, the "bug-bots") to bend or flex. The team had to ensure that the wings ...

EPFL researchers have designed flexible, batlike wings that boost lift and improve flight performance. This innovation could lead to more efficient drones or energy-harvesting technologies.