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Stories by Mara Hvistendahl

Paper Money

A substitute for coins turned into a passport for globalization

September 1, 2009 — Mara Hvistendahl

The Vibrator

One of the first electrical appliances made its way into the home as a purported medical device

September 1, 2009 — Mara Hvistendahl

Origins: The Start of Everything

Where do rainbows come from? What about flying cars, love and LSD?

August 17, 2009 — Davide Castelvecchi, Graham P. Collins, Bruce Grierson, Mara Hvistendahl, Jonathon Keats, Michael Moyer, George Musser, Christie Nicholson, Ricki Rusting, Jessica Snyder Sachs, Christine Soares, Gary Stix, Kate Wong, Melinda Wenner and Philip Yam