Johns Hopkins Magazine -- April 1998
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APRIL 1998
CONTENTS
RETURN TO ANCIENT MICRO WORLDS
AUTHOR'S NOTEBOOK
S C I E N C E    A N D    T E C H N O L O G Y

Ancient Microworlds
Photography by Norman Barker and Giraud Foster

Glittering ammonite: "Fool's Gold" formed when the sulfur from this Mesozoic-era mollusk decomposed and attracted iron.

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