Conservation of parity

The concept of parity conservation was scrutinized, revealing that although parity is conserved in electromagnetism and gravity, it is violated in weak interactions. This realization impacted the understanding of particle physics.
 Yang Chen Ning and Lee Tsung-dao China 1956 Conservation of parity

The concept of parity conservation was scrutinized, revealing that although parity is conserved in electromagnetism and gravity, it is violated in weak interactions. This realization impacted the understanding of particle physics.