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- 1Scientists discover crown-shaped sulfur ring in mammalian cells●Scientists spy a crown-shaped sulfur ring in mammalian cells
Chemists report finding a crown-shaped sulfur ring inside mammalian cells, according to Chemical & Engineering News. The structure, an eight-membered sulfur ring, was reportedly observed directly in living cells, a rare detection given sulfur compounds' instability and difficulty of measurement. The finding could reshape understanding of sulfur chemistry in biology and how such molecules form and persist inside cells.