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Letters
Lead or poverty’s later toll Most toxic materials have the most deleterious effects at the earliest exposure ages, so I was puzzled by the study outcome in “School-age lead exposures may do more harm than earlier exposures” (SN: 6/6/09, p. 13). Did the study control for social and financial background? It would make sense for […]
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Book Review: Historic Photos of the Manhattan Project by Timothy Joseph
Review by Sid Perkins.
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Building a Meal: From Molecular Gastronomy to Culinary Constructivism by Hervé This
A chemist trained in culinary arts explores the science of a good meal, with tips for how to make one.
