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Fruit of Biscutella laevigata, a herbaceous plant belonging to the family Cruciferae. This...
A crystal of flourite, that has the shape of a regular octahedron.The image appears in the...
We find the cubes in nature, for example, in a crystal of cubic pyrite. The image has been...
Plant with a succulent trunk with photosynthetic function and leaves transformed in thorns...
Plant with a succulent trunk with photosynthetic function and leaves transformed in thorns...
A mountain lake (Canada, Rocky Mountains) provides a beautiful example of a reflection. Ou...
The problem of the wrapping of circumferences shown in a stack of wood.
A symmetry of type D4 on the umbrellas of these young medusae, photographed at the Aquariu...
A flower of Clematis sp..This photo puts in evidence a dihedral symmetry of type D4, so i...
Suggestions of radial symmetry in this sunflower. Helianthus annuus is an annual plant bel...
nature