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April 1998

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Posters

They Live and Breathe Letterboxing

An obscure group of intrepid collectors give this English version of orienteering their hearty stamp of approval

A Space Invader Is Here

An intergalactic war is going on, but not the kind we used to read about in science fiction magazines

Samples of rock from Chicxulub Crater

A Tale of Two Rocks

Retrieved from a mile beneath the earth's surface 65 million years after their creation, they bear witness to a cataclysm - and the death of the dinosaurs

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Discovering the Unknown Landscape: A History Of America's Wetlands

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