págs. 2-4
Dark Matters: The search for WIMPS.
págs. 10-11
Condors and Carcasses: Barely pulled back from the brink of extinction, California condors are still being poisoned by lead-based ammunition.
págs. 12-15
High Life of a Tibetan Rhino: Discovery of a fossil skull points to the origins of Ice Age megafauna.
págs. 16-23
Sound Reflections: The taxonomy of echoes.
págs. 24-31
Fish, Tides, and Turbines: With proper safeguards, water currents can be harnessed out of sight.
págs. 32-39
Getting in Shape: Erosion plays games with Kansas sandstone.
págs. 44-45
Boria Sax
pág. 48
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