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	Spiders that hunt at night often have a special layer at the back of their big eyes. It acts like a mirror to bounce light back into the eyes. On a dark night, this reflected light makes the spider's eyes seem to glow!

Canadian Tree Guide

	click image to enlarge		Chestnut

			chestnutCastanea dentata (Marsh.) Borkh.
			The decline of American chestnut trees in both Canada and the United States is thought to have resulted from the introduction of stock imported from Asia which was infested with chestnut blight (Endothia parasitica) at the turn of the 20th century. So far, attempts to breed resistance into the American chestnut have failed, but ongoing research may yet prove to be successful.

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