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Articles in the current issue of Volume 14 (2012) are hot-linked below.
 
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Latitude, population size, and the language-farming dispersal hypothesis.
Drew H. Bailey, Marcus J. Hamilton & Robert S. Walker — 2012(8) (drewhalbailey@cmu.edu)
Keywords: agriculture, biogeography, humans, language-farming dispersal hypothesis, population size

Population differentiation in floral characters of Datura inoxia Mill.
Vania Jiménez-Lobato & Juan Núñez-Farfán — 2012(8) (farfan@unam.mx)
Keywords: Datura inoxia, floral evolution, Flury’s method, FST, outcrossing, phenotypic differentiation, phenotypic integration, population genetic structure, QST, reproductive assurance, selfing, variance–covariance matrix

Suicidal punishment in the ant Acromyrmex versicolor.
Gregory B. Pollock, Antonio Cabrales, Steven W. Rissing & Kenneth G. Binmore — 2012(8) (k.binmore@ucl.ac.uk)
Keywords: Acromyrmex versicolor, coordination mechanism, group selection, pleiotropy, self-preservation, stochastic stability, subgame perfection, suicidal punishment, viscous dispersal

Comparing sperm swimming speed.
Klaus Reinhardt & Oliver Otti — 2012(8) (k.reinhardt@uni-tuebingen.de)
Keywords: automated sperm analysis, mouthbrooding, sperm age, sperm competition, sperm senescence, sperm velocity, trade-off

Intraspecific diversity in Arctic charr, Salvelinus alpinus, in Iceland: I. Detection using mixture models.
Pamela J. Woods, Skúli Skúlason, Sigurður S. Snorrason, Bjarni K. Kristjánsson, Hilmar J. Malmquist, Thomas P. Quinn — 2012(8) (pamelajwoods@gmail.com)
Keywords: bimodal distribution, divergent selection, ecological speciation, individual heterogeneity, life history, maturity, mixture model, resource polymorphism, salmonid, Von Bertalanffy

Intraspecific diversity in Arctic charr, Salvelinus alpinus, in Iceland: II. What environmental factors influence resource polymorphism in lakes?
Pamela J. Woods, Skúli Skúlason, Sigurður S. Snorrason, Bjarni K. Kristjánsson, Hilmar J. Malmquist & Thomas P. Quinn — 2012(8) (pamelajwoods@gmail.com)
Keywords: competition, divergent selection, ecological speciation, individual heterogeneity, limnology, prey availability, resource polymorphism, salmonid