The “Sex Role” Concept: An Overview and Evaluation Malin Ah-KingIngrid Ahnesjö Synthesis Paper 19 March 2013 Pages: 461 - 470
Making Young from Old: How is Sex Designed to Help? Paul W. Turke Synthesis Paper 11 May 2013 Pages: 471 - 479
The Comparative Method in Cross-Cultural and Cross-Species Research Randy ThornhillCorey L. Fincher Synthesis Paper 22 May 2013 Pages: 480 - 493
Within-Population Developmental and Morphological Plasticity is Mirrored in Between-Population Differences: Linking Plasticity and Diversity Frank JohanssonAlex Richter-Boix Research Article 15 March 2013 Pages: 494 - 503
Complexity by Subtraction Daniel W. McSheaWim Hordijk Research Article 13 April 2013 Pages: 504 - 520
Immune and Stress Responses Covary with Melanin-Based Coloration in the Barn Swallow Nicola SainoLuca CanovaAnders Pape Møller Research Article 17 April 2013 Pages: 521 - 531
Developmental Processes, Evolvability, and Dental Diversification of New World Monkeys Valeria BernalPaula N. GonzalezS. Ivan Perez Research Article 07 April 2013 Pages: 532 - 541
Expression and Evolution of Short Wavelength Sensitive Opsins in Colugos: A Nocturnal Lineage That Informs Debate on Primate Origins Gillian L. MoritzNorman T.-L. LimNathaniel J. Dominy Research Article Open access 17 April 2013 Pages: 542 - 553
Obligate Brood Parasites Show More Functionally Effective Innate Immune Responses: An Eco-immunological Hypothesis D. Caldwell HahnScott G. SummersMichael H. Kogut Research Article 16 April 2013 Pages: 554 - 561
An Intercontinental Analysis of Climate-Driven Body Size Clines in Reptiles: No Support for Patterns, No Signals of Processes Daniel Pincheira-DonosoShai Meiri Research Article 01 May 2013 Pages: 562 - 578
Efficiency and Significance of Multiple Vocal Signals in Sibling Competition Charlène A. RuppliAmélie N. DreissAlexandre Roulin Research Article 24 April 2013 Pages: 579 - 588
Estimating the Dynamics of Sexual Selection in Changing Environments Ulrika CandolinLeon Vlieger Research Article 24 April 2013 Pages: 589 - 600
Latitudinal Variation in Starvation Resistance is Explained by Lipid Content in Natural Populations of Drosophila melanogaster Julieta GoenagaJuan José FanaraEsteban Hasson Research Article 15 May 2013 Pages: 601 - 612
Maternal Care, Iteroparity and the Evolution of Social Behavior: A Critique of the Semelparity Hypothesis Stephen T. Trumbo Research Article 15 May 2013 Pages: 613 - 626
Bone Histology Reveals a High Environmental and Metabolic Plasticity as a Successful Evolutionary Strategy in a Long-Lived Homeostatic Triassic Temnospondyl S. SanchezR. R. Schoch Research Article Open access 22 May 2013 Pages: 627 - 647