This journal provides immediate access to some articles. Volume 273(1601); October 22, 2006 Review Herbivory: effects on plant abundance, distribution and population growth PMCID: PMC1635468 Research Articles Acetylcholinesterase genes within the Diptera: takeover and loss in true flies PMCID: PMC1635460 Developmental response to cold stress in cranial morphology of Rattus: implications for the interpretation of climatic adaptation in fossil hominins PMCID: PMC1635465 Rapid adaptive divergence of life-history traits in response to abiotic stress within a natural population of a parthenogenetic nematode PMCID: PMC1635470 Vitamin D supplementation increases the attractiveness of males' scent for female Iberian rock lizards PMCID: PMC1635462 Inbreeding and disease resistance in a social insect: effects of heterozygosity on immunocompetence in the termite Zootermopsis angusticollis PMCID: PMC1635464 Rates of nausea and vomiting in pregnancy and dietary characteristics across populations PMCID: PMC1635459 | ||