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An intriguing review of physical problems yielding negative probabilities may fail to demonstrate their reality, but should not be overlooked on that account.
One lesson to be learned from the recent Mexico City earthquake is that the Mexican earthquake-code torsional design recommendations for asymmetric buildings do not include a sufficient safety margin.
The robust attraction between a bacterial protein and vitamin H could boost the sensitivity of immuno assays, improve DNA probes and aid in protein purifications. Its role in nature remains a mystery.
