págs. 6-10
Speaking of Snails and Scales: In mollusks, as in mother tongues, less complex doesn´t necessary mean primitive
págs. 14-23
Extreme Measures: Goldilocks had it easy
págs. 24-24
págs. 26-29
Rhinos and Lions and Bears (Oh, My!): An archeologist explores the newly discovered Chauvet Cave
págs. 30-35
págs. 36-43
págs. 46-57
págs. 58-65
págs. 66-70
págs. 72-74
págs. 76-79
págs. 84-85
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