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The^Bob: Cotina obovatus
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The^Bob: Morning glory pressed flower
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The^Bob: Turkish hazel leaf
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The^Bob: The Next Deadly Virus or...?
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The^Bob: Bottlebrush spectrum
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The^Bob: Bottlebrush in flower
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The^Bob: Ammonite 384nm fluorescence, exterior
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The^Bob: Ammonite, white light and 384nm fluorescence
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The^Bob: Fading poppy
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The^Bob: Blue Amber from the Dominican Republic
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The^Bob: Esquel pallasite, Argentina 1951
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The^Bob: Peacock-Jay feather reflectance comparison
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The^Bob: Peacock feather scan
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The^Bob: Jay feather reflectance
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The^Bob: Evolution by numbers
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The^Bob: diffraction of green laser from a CD
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The^Bob: Jay wing covert feather reflectance
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The^Bob: Jay wing, measuring R along barb
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The^Bob: Insect wing, blue-green reflectance
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The^Bob: Pheasant feather reflectance
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The^Bob: Pheasant feather
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The^Bob: Turaco feathers
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The^Bob: Alexandrite, synthetic corundum, 368nm fl
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The^Bob: Ruby-in-zoisite, white 6500K, 368nm, 254nm
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The^Bob: Ruby fl on Zoisite
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The^Bob: Bracket fungus top, magnified
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The^Bob: Bracket fungus, magnified
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The^Bob: Bracket fungus, top and bottom
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The^Bob: Turritella jasper 2
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The^Bob: Regolith, leopard-skin