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ScienceDaily: Strange Science News



Programmable materials: Hydrogels capable of complex movement created



Posted: 13 Sep 2018 10:45 AM PDT


Researchers have developed a process by which 2-D hydrogels can be programmed to expand and shrink in a space- and time-controlled way that applies force to their surfaces, enabling the formation of complex 3-D shapes and motions.


Gut bacteria's shocking secret: They produce electricity



Posted: 12 Sep 2018 10:34 AM PDT


To date, most electricity-generating bacteria have come from weird environments, but researchers have found more than 100 in the human microbiome, both pathogenic and probiotic. They were unsuspected because they employ a different and simpler extracellular electron transfer system, which may prove useful in creating bacterial batteries. Their electrogenic ability may be important in infectivity, or in how they ferment cheese and yogurt.
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