Light-bending gel makes holograms much cheaper

Inexpensive nanoparticles in a gel can replace traditional materials used to create holograms at a much lower cost, researchers report. Holograms can be created by using magnetic fields to alter the path of light, but the materials that can do...
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There may be at least 5 kinds of depression and anxiety

Researchers have identified five new categories of mental illness that cut across current diagnoses of anxiety and depression. The five categories, which researchers define by their specific symptoms and areas of brain activation, are: tension, anxious arousal, general anxiety, anhedonia...
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3D printer uses ink made with live bacteria

Researchers have created a new kind of 3D-printing platform that uses ink containing living bacteria. The new ink makes it possible to print small biochemical factories with certain properties, depending on the species of bacteria in the ink. The work...
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Bacteria mix can boost or bust antibiotic resistance

The bacterium Pseudomonas aeruginosa can produce specific molecular factors that dramatically increase or decrease the antibiotic resistance of Staphylococcus aureus, another bacterium that often co-infects with P. aeruginosa, researchers report. “The interactions with P. aeruginosa can completely change S. aureus‘s...
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