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Fantastic goldfields map created exclusively for the prospector. Well researched from historical records and extensive field expeditions this map includes alluvial workings, reef lines & ...
How the Ray Gun Got Its Zap is a collection of essays that discusses odd and unusual topics in optics. Though optics is a fairly ...
Until recently, seaweed for most Americans was nothing but a nuisance, clinging to us as we swim in the ocean and stinking up the beach ...
At once feared and revered, sharks have captivated people since our earliest human encounters. Children and adults alike stand awed before aquarium shark tanks, fascinated ...