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McDERMITT, Nev. - An obscure metal that melts in the hand and holds far-reaching economic promise awaits extraction from an abandoned mercury mine near the Nevada-Oregon border. The metal is gallium, ...

Shape-shifting liquid metal robots might not be limited to science fiction anymore. Miniature machines can switch from solid to liquid and back again to squeeze into tight spaces and perform tasks ...

Scientists have long known that impurities and flaws in a metal’s crystal structure can lower the material’s melting point. In an unexpected twist, an international research team has dramatically ...