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The Tiny Bacterium That Turns Toxic Metal Into Pure 24-Karat Gold
For most of us, gold is something we picture in jewelry stores or deep underground, not growing quietly in polluted soil. Yet scientists have discovered a tiny bacterium, Cupriavidus metallidurans, that can survive in places loaded with toxic metals and, in the process, turn some of that metal into pure 24 karat gold. It does…
The Science of Rare Steak Versus Rare Chicken
There’s a strange little paradox on the dinner table: one type of meat is glorified for being served pink in the middle, while another inspires fear if it isn’t cooked to absolute doneness. A ruby-rare steak, dripping with savory juices, is celebrated as the pinnacle of indulgence. But a slightly pink chicken breast? That image…