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Drosophila’s Altimeter: Evolution Does it Again

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Aircraft typically use air pressure measurements to determine their altitude above sea level. They may also use radar to directly measure their altitude above ground. Needless to say each approach is immensely complex. Insects also need to determine their altitude. Many do so by measuring how fast the ground passes beneath them. But new research has found that flies use a different method.  Read more

Comments
Cornelius, I know many people have developed an immunity to such stories of extreme cleverness in Nature, but some of us get the point. Keep 'em coming. Granville Sewell
Insects also need to setermine their altitude.
This smacks of teleology. Mung

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