Until now we thought that was an invention of man, but a gear mechanism discovered in a common insect – the Isso grasshopper – shows that nature invented gears long before we did.

2 Comments

1. George Syrkiadis says:

   14/02/2015 at 10:08

   Editorial, The grammar, Intonation and subtitles !!!!!!!

   

   

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2. Demmis Geos says:

   13/02/2015 at 18:19

   In which ypotitloys is diaolo???????????????????????????????

   

   

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