Robert Harding

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1348-2149 - Bacterium responsible for syphilis. Electron micrograph of Treponema pallidum on cultures of cotton-tail rabbit epithelium cells (Sf1Ep).Treponema pallidum is the causative agent of syphilis. In the United States, over 35,600 cases of syphilis were repor
1348-1151 - Syphilis bacterium. Treponema pallidum subsp pallidum on cultures of cotton tail rabbit epithelium cells Sf1Ep Treponema pallidum is the causative agent of syphilis In the United States over 35 600 cases of syphilis were reported by health officials in 1
1348-1152 - Syphilis bacterium. Treponema pallidum subsp pallidum on cultures of cotton tail rabbit epithelium cells Sf1Ep. Treponema pallidum is the causative agent of syphilis In the United States over 35 600 cases of syphilis were reported by health officials in
860-288798 - Reflections on Rio Tinto, near its source, Andalusia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288800 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288799 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
832-110184 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-123920 - Opalescent Pool, geyser, drainage area with coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-124005 - Outlet of the Pinwheel Geyser, Porcelain Basin, Norris Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA
832-123921 - Coloured thermophilic bacteria, the outlet of Cliff Geyser, Fire Hole River, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-123918 - Punch Bowl Spring, geyser, drainage area, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-123992 - Runoff from Excelsior Geyser into Firehole River, Midway Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, hot springs, Yellowstone National Park, Wyoming, United States of America, USA
832-123919 - Punch Bowl Spring, geyser, drainage area, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-123929 - Sunset Lake, geyser, drainage area with a boardwalk, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-123930 - Sunset Lake, geyser, drainage area, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-123928 - Emerald Pool, geyser, drainage area with a boardwalk, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-123991 - Runoff from Excelsior Geyser into Firehole River, Midway Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, hot springs, Yellowstone National Park, Wyoming, United States of America, USA
832-123926 - Emerald Pool, geyser, drainage area with a boardwalk, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-124000 - Echinus Geyser with the world's highest acidity, Back Basin, Norris Geyser Basin, geysers, colored thermophilic bacteria, microorganisms, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA
832-123927 - Emerald Pool, geyser, drainage area with a boardwalk, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-124006 - Outlet of the Pinwheel Geyser, Porcelain Basin, Norris Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA
832-110164 - Colored thermophilic bacteria, outlet of the Cliff Geyser, Firehole River, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-110161 - Emerald Pool, geyser, outlet area, colourful thermophilic bacteria, microorganisms, boardwalk, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
832-110171 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110169 - Orange Mound Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110193 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110194 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110185 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-42376 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colourful thermophilic bacteria, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America
832-42379 - Outlet of the Excelsior Geyser in Firehole River, Midway Geyser Basin, colourful thermophilic bacteria, microorganisms, geysers, hot springs, Yellowstone National Park, Wyoming, United States of America, USA
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