Le Procrastinateur

Hugo de Vries (1848-1935). “Jonge vacuolen. Adventieve vacuolen”.

Source: ici.

adventures-of-the-blackgang:

Lamarck - Sea Urchins (detail)

Jean Baptiste (Pierre Antoine) de Monet, Chevalier de Lamarck [1744-1829], Echinus 136—Tableau Encyclopédique et Méthodique des Trois Regnes de la Nature, Paris 1791-1798. From the pattern library of WikiMechanics.org. Photograph by D Dunlop.

Original (1335 x 1749)

(via rougerothko)

skullandbone:

arm/wing comparison and evolution

(Source : pushthemovement, via pansybuddy)

Membracidae (treehoppers). Morphological diversity in treehoppers is conveyed by the helmet. © CNRS / Nicolas Gompel.

Research : Body plan innovation in treehoppers through the evolution of an extra wing-like appendage. Prud’homme et al. Nature, 473: 83-86 (05 May 2011).

Info en français : ici.

Charles Darwin.

Portrait par Julia Margaret Cameron (1868).