An insect with functional gears on hind legs

There are no examples of wheels in biological systems. One would think that gears would be even less likely. However, researchers have discovered a gear mechanism in a jumping insect.

Coming to think of it, this is not as incongruous. gears help modify speeds and need not always rotate all round. There are many mechanisms in which the gears move through a fraction of 360 degrees.

Here is more:



  • Sarathkumar Chandrasekaran
    Sarathkumar Chandrasekaran
    Nature always has a answer for our questions.
  • Merle Lurry
    Merle Lurry
    Thanks for info.


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