edge coloration
21House Finch — Taxobox name = House Finch status = LC | status system = IUCN3.1 status ref = [IUCN2006|assessors=BirdLife International|year=2004|id=53468|title=Carpodacus mexicanus|downloaded=12 May 2006] image width = 250px regnum = Animalia phylum = Chordata …
22Graph coloring — A proper vertex coloring of the Petersen graph with 3 colors, the minimum number possible. In graph theory, graph coloring is a special case of graph labeling; it is an assignment of labels traditionally called colors to elements of a graph… …
23The Joshua Tree — For other uses, see Joshua tree (disambiguation). The Joshua Tree …
24Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
25Five color theorem — The five color theorem is a result from graph theory that given a plane separated into regions, such as a political map of the counties of a state, the regions may be colored using no more than five colors in such a way that no two adjacent… …
26Butterfly — calesButterflies are characterized by their scale covered wings.The coloration of butterfly wings is created by minute scales. These scales are pigmented with melanins that give them blacks and browns, but blues, greens, reds and iridescence are… …
27Rings of Saturn — The full set of main rings, imaged as Saturn eclipsed the Sun from the vantage of the Cassini spacecraft on 15 September 2006 (brightness is exaggerated). The pale blue dot at the 10 o clock position, outside the main rings and just inside the G… …
28Atlantic calico scallop — Taxobox name = Atlantic calico scallop image width = 250px image caption = Atlantic callico scallop Argopecten gibbus regnum = Animalia phylum = Mollusca classis = Bivalvia ordo = Ostreoida familia = Pectinidae genus = Argopectin species = A.… …
29Biological pigment — The Blue Morpho butterfly, native to Central America, derives its distinctive blue coloring from iridescence rather than from pigmentation. Biological pigments, also known simply as pigments or biochromes[1] are substances produced by living… …
30literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
