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PurposeExperiential learning incorporated into library and information science education in the form of a practical placement has long been accepted as important. However, it is not always possible for students to undertake a traditional internship because of constraints associated with the physical location of internship sites. The purpose of this paper is to explore virtual alternatives, in the context of digital curation.Design/methodology/approachSurveys exploring the internship experience were conducted of students and supervisors, leading to the development of a pilot study. In addition, discussions were held with possible supervisors in a country with a small population, faced with the challenge of building capability in digital curation.FindingsThe concept of a virtual internship is entirely appropriate given the focus on digital tools, information and systems in digital curation. A new dimension to the traditional internship experience is the potential for sharing expertise internationally, in diverse settings.Research limitations/implicationsAlthough the paper describes activities taking place through the School of Library & Information Science at San Jose State University, the findings can be used to justify virtual internship programs and develop strategies to be employed by other Schools at the University and other Universities within and outside the USA.Practical implicationsThis paper includes implications for the development of successful virtual internship programs on the Master's degree level, including those for students preparing for careers in digital curation.Originality/valueThe paper provides insight into the practical issues associated with incorporating experiential learning into digital curation curricula and signals the potential for approaching internships from a global perspective.

ABSTRAcr.-Data obtained from published studies and from mice trapped for use in our laboratory were analyzed to determine the relationship between frequency of t-haplotypes in wild house mice (Mus musculus) and other variables such as sex, age at capture, and kind of t-haplotype found in the population. In addition, the frequency of t-alleles in populations from which mice had been sampled repeatedly was examined to determine whether, within populations, frequency of t-haplotypes tends to change over time. Populations in which semilethal haplotypes predominated had higher frequencies of heterozygous animals than populations in which the predominant haplotype was a lethaL Furthermore, frequencies of t-haplotypes were higher in males than in females. However, no difference in frequency of t-alleles was found between mice trapped as juveniles and individuals of the same sex trapped as adults. Furthermore, only one of 14 populations from which mice were trapped repeatedly showed evidence of a change in frequency of heterozygotes over time. The relevance of these data for potential processes controlling the frequency of t-haplotypes in wild populations is discussed.Considerable debate (Lacy, 1978) has existed over factors controlling the frequency of alleles at the T-locus in wild house mice (Mus musculus). About 25% of wild house mice are heterozygous (+ It) for a variable recessive allele and the remainder usually are homozygous (+ I +) for the wild-type allele (Bennett, 1978). All recessive t-alleles (or t-haplotypes) are deleterious when homozygous. Some alleles (designated "semilethal") produce some viable homozygotes but cause sterility in homozygous males. Others ("lethal alleles") cause death in all homozygous embryos. These lethal haplotypes can be classified further by complementation testing into 16 groups (Klein et aI., 1984) of which two (t wi and t wS ) are common in North American wild house mice (Bennett, 1978).The principal factor maintaining these deleterious alleles in wild populations is transmissionratio distortion in heterozygous males that may transmit their t-haplotype to as many as 95-100% of their progeny. The debate over factors controlling the frequency of t-haplotypes in natural populations has arisen because theoretical models incorporating selection against homozygotes counteracted by transmission-ratio distortion yield predicted equilibrium frequencies of t-carrying individuals substantially higher than those actually observed (Bruck, 1957; I?,u.nn and Levene, 1961; Lewontin, 1968). Hypotheses proposed to account for the lower thun.expected frequency of t-haplotypes have included inbreeding (Petras, 1967), genetic drift (Le·wontin· andDunn, 1960), interdemic selection (Lewontin, 1962), heterozygote disadvantage (Drickamer and Lenington, 1987;Egid and Lenington, 1985;Johnston and Brown, 1969;Lenington, 1983;Lenington and Egid, 1985; Levine et aI., 1980;Meyers, 1973) and lowered transmission ratio of t-haplotypes in natural matings as compared with laboratory test crosses (Lenington, 19...

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Purpose The purpose of this paper is to assist records managers and information governance professionals to understand the challenges presented by their organization’s use of blockchain distributed ledger technology (DLT). Design/methodology/approach An extensive literature review was conducted, which revealed a multitude of articles based on research into blockchain DLT, most written from the technology perspective. This paper differs in that it applies a records management lens to an analysis of the records created, registered or stored on a blockchain. A six-stage blockchain records consideration model is provided to illustrate examples of the records management challenges presented by the implementation of blockchain DLT. Questions are posed and recommendations are made to aid the reader in developing a blockchain DLT records management and information governance strategy. Findings Because there is no one universal configuration for a blockchain DLT solution, each implementation must be analyzed to understand the resultant records management and information governance challenges. A series of questions that should be asked and answered can not only help records management and information governance professionals adapt their policies and practices to the technology but also provide a basis for discussion with those designing the blockchain DLT solutions so they can include records management features in their designs. Originality/value This paper contributes an original analysis of the implications of the adoption of Blockchain DLT for records management and information governance programs through the lens of a six-stage Blockchain Records Consideration Model.