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- 1Scientists discover crown-shaped sulfur ring in mammalian cells▼Scientists spy a crown-shaped sulfur ring in mammalian cells
Researchers have identified a crown-shaped ring made of sulfur atoms inside mammalian cells, according to a report by Chemical & Engineering News. The discovery sheds new light on sulfur chemistry in living organisms, a field where such cyclic structures were not previously known to exist in biological systems, and may open new avenues of study.