Eyesight is insight.
flasd: 1825 - Adding mercury to mercury: the sensational drawings by the Weber brothers as they observed the changing wave fronts made by a drop of mercury into a pool of mercury.
Yago Hortal 
2001: A Space Odyssey 
Tiny flying bears  dendroica: Bats by BioDivLibrary on Flickr. Recherches pour servir à l’histoire naturelle des mammifères :. Paris :G. Masson,1868-1874..biodiversitylibrary.org/page/39564290
Kozue Oshima
Kozue Oshima
dohokraii: stag beetle larva by ~Cephalopodwaltz
Charlie Immer
Charlie Immer
Charlie Immer