Horns & Shells

  • CSIRO_ScienceImage_2933_Nautilus_shell-1024The growth of horns of many species is a logarithmic spiral.
  • Fractal patterns can be found on snail-shells and ammonites
  • snail shells themselves are logarithmic spirals

 

 

 

 

Sierpinsky Triangles on a  snail-shell
Sierpinsky Triangles on a snail-shell
Logarithmic spirals in ancient ammonite fossils
Logarithmic spirals in ancient ammonite fossils

Sources & further reading:

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