Chemistry
The same molecule, packed two ways: why chocolate turns white and a drug once vanished from pharmacy shelves
28 Aug 2026 · 8 min read
A solid's properties are not decided by its molecule alone but by how those molecules stack. Change the packing and the same compound melts differently, dissolves differently, and can stop working as a medicine. Here is what polymorphism is and why it costs pharmaceutical companies fortunes.
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