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From field to bakery, a loaf of bread packs a measurable environmental punch. Daniel Berehulak/Getty Images hide caption

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Daniel Berehulak/Getty Images

What's The Environmental Footprint Of A Loaf Of Bread? Now We Know

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Nurse-midwife Cynthia Voytas demonstrates equipment used to deliver nitrous oxide at South County Hospital in South Kingstown, R.I. Kristin Gourlay/RIPR hide caption

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Kristin Gourlay/RIPR

Laughing Gas Gives Women Another Option To Manage Labor Pain

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