The scientists say the theory may explain a long-standing mystery : strange dark spots , fanlike structures , and spidery patterns that appear near mars 's southern pole every year .
The vaulted naves , over 30 meters ( 100 feet ) high , were lightened with windows and open colonnades and supported from the exterior with spidery flying buttresses , which gave the inside an ethereal beauty .
Dissolve a pinch of silver and mercury in a solution of nitric acid , drop in a lump of metal amalgam , and soon a spidery , glittering " tree of diana " will form on the glass .
It isn 't just lizards that can use colour to blend into the background the spidery world also has many 8-legged chameleons including the four spot orb weaver and the crab spider .
Instinct made him step on the accelerator with the double purpose of overtaking daisy and leaving wilson behind , and we sped along toward astoria at fifty miles an hour , until , among the spidery girders of the elevated , we came in sight of the easy-going blue coupe .