Based on its advanced computing capabilities and ubiquity, the smartphone has rapidly been adopted as a tourism travel tool. With a growing number of users and a wide variety of applications emerging, the smartphone is fundamentally altering our current use and understanding of the transport network and tourism travel. Based on a review of smartphone apps, this article evaluates the current functionalities used in the domestic tourism travel domain and highlights where the next major developments lie. Then, at a more conceptual level, the article analyses how the smartphone mediates tourism travel and the role it might play in more collaborative and dynamic travel decisions to facilitate sustainable travel. Some emerging research challenges are discussed.

Prenatal alcohol exposure (PAE) and traumatic childhood experiences (trauma) such as abuse or neglect can each cause central nervous system neurobiological changes or structural damage which can manifest as cognitive and behavioural dysfunction. In cases where both exposures have occurred, the risk of neurodevelopmental impairment may be greater, but this interaction has not been well studied. Here we present a systematic review that identified five primary research studies which investigated either the impact of trauma in children with PAE, or of PAE in children with trauma. Due to the heterogeneity of studies, narrative analysis was applied. Children in these cohorts with both exposures were more likely to show deficits in language, attention, memory and intelligence, and exhibit more severe behavioural problems than children with one exposure in absence of the other. However, the current literature is scarce and methodologically flawed. Further studies are required that: assess dual exposure in other neurodevelopmental domains; feature developmentally impaired yet non-exposed controls; and account for the wide spectrum of effects and different diagnostic criteria associated with PAE.

The classical twin method - comprising comparisons of monozygotic (MZ) and dizygotic (DZ) twins - in the domain of cognitive abilities and attainments has led to wide acceptance of results suggesting a large amount of additive genetic variance, with far-reaching implications both for the nature of future studies on the causes of cognitive variance and for intervention policies, as in education. However, this interpretation is only valid if the method observes a number of conditions, which have to hold. Here, we show that the most crucial of these, namely, the equal environments assumption (EEA), may not hold. Consequently, differences in twin correlations might be at least partly explained by treatment effects from parents, teachers, peers, and so on. In addition, well-known interactions at various levels confound the model of simple additive effects on which the classical twin method is predicated and results are interpreted. For example, at a socio-cognitive level, DZ twins may respond to treatments differently from MZ twins. This interaction may further explain MZ-DZ correlation differences. There is abundant evidence for such interactive effects in published twin data. We suggest that there is a need for a more thorough examination of these problems.

Mobile connectivity enables the adoption of new ways to connect with social networks which are changing how we might, and could, seek support. In the tourism domain we increasingly blend online and offline presence to engage with social networks in the spatial location, at a distance and across time. This paper explores the forms of community that exist in physical tourism contexts, contexts not previously analysed through a community lens, and explores how mobile technology is creating connections within and beyond existing social networks. It examines how sustainable tourism can be enhanced by mobile connectivity through new spaceÀtime practices and using ephemeral interpersonal relationships to harness niche groups to create bottom-up social systems interested in sharing experiences, ideas and resources. Special attention is given to the concept of gelling socialities which proposes a less ridged network structure, and to the need to understand the increasingly liquid social dynamics of mobile social interactions. The paper adds to the theories surrounding community, social ties and tourism's value to society. It draws on data from in-depth interviews undertaken while designing and testing a collaborative travel app. It contributes to growing research into the new technologies increasingly available for sustainable tourism marketing and implementation.

Establishing effective toothbrushing routines using fluoridated toothpaste in infancy has been suggested as important to dental health throughout childhood and into adulthood. However, previous studies have revealed a number of potential barriers to, and facilitators of caregivers ability to establish early dyadic toothbrushing routines with pre-schoolers. However, as yet no qualitative research has been conducted to ascertain potential barriers and facilitators of the earliest dyadic toothbrushing in infancy, and nor has any previous research specifically focused on how novice mothers of first-born infants and preschoolers manage this task. This study therefore outlines findings from a qualitative interview study with first-time mothers of children aged 24–30 months (n = 16) exploring perceived barriers to and facilitators of early dyadic toothbrushing routines with infants and preschoolers. A number of key themes were identified from interview transcripts and an ‘ecological’ approach conceptualised maternally perceived barriers to and facilitators of dyadic toothbrushing. Proximal influences were found to be located within the caregiver-child relationship (‘micro-system’), including parental cognitions (e.g., PSE), parental behaviours (e.g., parenting practices) and infant and preschooler temperament and behaviours (e.g., tantrums). Distal factors were also identified as relevant to the establishment and maintenance of these routines, such as social support (‘exosystem’) and family history of tooth-brushing (‘chronosystem’).

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Children with visual impairments are reported to be delayed in producing pretend play in naturalistic settings. This study examined the play of 18 children with visual impairments aged between 21 and 86 months on two structured tests of play. Appropriate functional play with miniature versions of everyday objects was distinguished from symbolic play involving substituting one object for another, pretending something has a property it does not have, or referring to something as if it were present. As a group, the children showed impaired functional and symbolic play. However, four children met the diagnostic criteria for autism and engaged in little or no play. When these children were excluded, the remaining children had lower functional play test scores than expected for their chronological age, but symbolic play test scores which were at the appropriate level for their chronological age. The functional and symbolic play of children with no vision or only light perception did not differ significantly from children with some vision. The production of symbolic play was strongly related to language ability, although functional play was not related to language ability. It is argued that children with visual impairment, but no behaviours characteristic of autism, can develop the ability to play both functionally and symbolically, but that lack of visual access to play materials may limit their ability to demonstrate these skills.

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