![Scientific American Magazine Vol 322 Issue 4](https://static.scientificamerican.com/sciam/cache/file/871A48C1-C160-4B08-A894BF87E29F1037_source.jpg?w=300)
Volume 322, Issue 4
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Features
A New Map of the Milky Way
High-resolution surveys chart the spiral structure of the galaxy and the location of our solar system
How Disaster Aid Ravaged an Island People
The 2004 tsunami devastated the Nicobar Islanders, but what came next was arguably worse
Exotic Creature in Antarctica Has Survived More than 30 Ice Ages
Its perseverance is rewriting the history of life, and of ice, across the continent
Why We Have So Many Problems with Our Teeth
Our choppers are crowded, crooked and riddled with cavities. It hasn’t always been this way
Can We Save the Woodrat without Slaughtering Cats?
In Key Largo, Fla., conservationists and feline lovers figure out how to get along