• Foreword

  Salvador Giner

  9-10

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Margalef Prize Lecture 2011

• Conservation and social-ecological systems in the 21st century of the Anthropocene era

  Juan Carlos Castilla

  11-21

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Focus

• Rachel Carson, sensitive and perceptive interpreter of nature

  Joandomènec Ros

  23-32

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• The theme of Earth Day and the social perception of what is really happening to our planet

  Tomàs Molina

  33-40

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• Recent large earthquakes from a geophysical perspective

  Emma Suriñach

  41-46

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• Sea and sky. The marine biosphere as an agent of change

  Rafel Simó

  47-52

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• What can we learn from past warm periods?

  Raymond S. Bradley

  53-59

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The Nobel Prizes of 2011

• Dendritic cells (DC) and their Toll-like receptors (TLR): Vital elements at the core of all individual immune responses. On the Nobel Prize in Physiology or Medicine 2011 awarded to Bruce A. Beutler, Jules A. Hoffmann, and Ralph M. Steinman

  Manel Juan i Otero

  61-68

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• The accelerated universe. On the Nobel Prize in Physics 2011 awarded to Saul Perlmutter, Brian P. Schmidt, and Adam G. Riess

  Eduard Massó

  69-75

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Research articles

• Ethnobotanical study of the sages used in traditional Valencian medicine and as essential oil: Characterization of an endemic Salvia and its contribution to local development

  Vanessa Martínez-Francés, Emeline Hahn, Jorge Juan-Vicedo, Roser Vila, Segundo Ríos, Salvador Cañigueral

  77-84

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Forum

• The Museu Blau, a natural history museum for the 21st century

  Mercè Piqueras, Ricard Guerrero, Anna Omedes

  85-91

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• A transition from indigenous to European technology in colonial Mexico: The case of tequila

  José M. Murià

  93-98

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History corner

• Fighting against smallpox around the world. The vaccination expeditions of Xavier de Balmis (1803–1806) and Josep Salvany (1803–1810)

  Francesc Asensi Botet

  99-105

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Biography and Bibliography

• Professor Creu Casas i Sicart (1913–2007)

  Xavier Llimona

  107-117

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