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Tag: "dragonfly" at biology news

Scientist uses dragonflies to better understand flight

...uses aerodynamic lift to carry its weight. But the dragonfly uses a lot of aerodynamic drag to carry its weight. That is weird, because with airplanes you always think about minimizing drag. You never think about using drag." The next question, she said, is whether engineers can use these ideas to build a fla...

Time of day tempers tadpoles' response to predators

...night, to see whether their responses to predatory dragonfly larvae differed with time of day. "Green frog ta...d tadpoles in a tank to the chemical signatures of dragonfly larvae for one hour during the day and one hour at night. Then he recorded their swimming and feedin...

Dragonfly's metabolic disease provides clues about human obesity

... diseases like malaria and cryptosporidiosis. The dragonfly species that Marden and Schilder studied is Libellula pulchella. The microbes disrupting the dragonfly metabolism may hold clues for scientists looking for the root causes of metabolic diseases in humans...

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