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<p>examined <a href="page.php?w=soap_film">soap film</a>s, leading him to formulate the concept of a <a href="page.php?w=minimal_surface">minimal surface</a>. The German biologist and artist <a href="page.php?w=Ernst_Haeckel">Ernst Haeckel</a> painted hundreds of <a href="page.php?w=Marine_biology">marine organisms</a> to emphasise their <a href="page.php?w=symmetry">symmetry</a>. Scottish biologist <a href="page.php?w=D%27Arcy_Thompson">D'Arcy Thompson</a> pioneered the study of growth patterns in both plants and animals, showing that simple equations</p><p>
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