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A platinum fiddle that's just 35 microns in length and 13 microns in width is believed to be the world's smallest violin, measuring just a fraction of a tardigrade or the diameter of an average human hair. But before you get too excited, or ponder .. ...

Researchers in the Netherlands have created mechanical structures that strangely shrink - or more precisely, snap inward - instead of stretching outward when pulled.

Several centuries ago, a branch of alchemy called chrysopoeia is said to have explored the possibilities of transforming widely available base metals into precious metals. Early practitioners never managed to pull it off, but it appears that in ...