Injectable fluid safely fills area in which blood clots can form, in animal trials — plus, strong evidence that an elusive form of diamond has been made in the lab.
Research Article : Wang et al.
News and Views: Magnetic fluid offers better seal in heart-plugging medical procedure
Video: Magnetic gel injected into the heart could stop strokes
Nature: Sewage systems secretly waft pollution into the air
Nature: This ant species is composed of only queens — no workers or males
Research Article: Lai et al.
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