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View Resource In a Tiny Squid, Bacterial Toxin Governs Organ Development

This EurekAlert! kids news article features information about the toxic molecule, tracheal cytotoxin, which is responsible for forming a light producing organ in the Bobtail squid-bacteria symbiosis. This toxin has been discovered to have both good and bad effects depending on the type of bacteria and host involved in the symbiosis: on one hand, it could cause disease and massive tissue damage,...

View Resource Iceland Invents Energy-From-Water Machine

The use of geothermal energy in Iceland is featured in this brief web article. The article discusses an Icelandic team's invention called the "Thermator" that translates the temperature difference between hot and cold water into energy using the thermo-electric effect.

View Resource Octopus Spring

This reference site consists of images and descriptions of Octopus Spring in Yellowstone National Park. Part of the teacher workshop "Extremities: Geology and Life in Yellowstone and Implications for Other Worlds," it describes both the cool water and hot water habitats of the spring. Sampling techniques are included with a description of the microbial mat community. The images and descriptions...

View Resource Living on Fools Gold

This magazine article explores the extreme environment of the Rio Tinto, a river in Spain with highly acidic and metal-rich water. The article features the work of Ricardo Amils, a scientist studying the microbial population of the Rio Tinto. Along with others, Amils pays particular attention to chemolithotrophic bacteria that survive by getting their energy by oxidizing pyrite, also known as...

View Resource River of Vitriol

This article offers a general overview of the microbiology of Spain's Rio Tinto. It introduces the history of the Rio Tinto, briefly describes some of the organisms that live there, and examines a few implications of the biological diversity for evolutionary studies. The article also explains that the acidic condition of the water may not be entirely due to mining activities, rather to the...

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