págs. 2-2
págs. 8-9
págs. 9-9
Julian C. Kerbis Peterhans, Chapurukha M. Kusimba, Thomas P. Gnoske, Samuel Andanje, Bruce D. Patterson
págs. 12-14
Writing in the Margins: Famed as the greatest of chemists, Lavoisier made seminal contributions to geology that have gone unheralded.
Stephen Jay Gould, Stephen Myers (fot.)
págs. 16-21
Where the Males Are: Exposure to testosterone in the uterus has some unexpected effects on females.
págs. 22-24
págs. 24-25
págs. 26-30
págs. 32-39
Movable Harverst.: Margarita and José Maya started picking fruits and vegetables in American fields when they were children. Now they have found security in the migrant life.
Leslie Nielsen, Eugene Richards (fot.)
págs. 40-49
Trouble at Timberline: As whitebark pines succumb to a foreign fungus, the birds and the bears may suffer, too.
págs. 50-55
Cowards, Bluffers, and Warriors: What does it take to make a cottonmouth strike?.
págs. 56-57
págs. 61-63
págs. 64-64
págs. 66-69
Belly Up to the Error Bar: An implicit goal of the scientific method is to minimize human bias-one of the great sources of experimental blunder.
págs. 70-74
Richard Milner, Greg Dimijian (fot.), Mary Beth Dimijian (fot.)
págs. 76-77
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