The king penguin (Aptenodytes patagonicus) is a pelagic species that breeds on sub-Antarctic islands relatively close to the Antarctic polar front. After a significant decline at the beginning of the twentieth century because of widespread exploitation by sealers, the species’ numbers are currently increasing, with observed local fluctuations. There has also been an increase in the number of sightings in the Antarctic, and recorded breeding attempts in this area. Here we present the history of observations of king penguins from 1977 to 2017 in two Antarctic Specially Protected Areas: ASPA No. 128 Western Shore of Admiralty Bay, and No. 151 Lions Rump, King George Island, South Shetland Islands (Western Antarctic). Additionally, we report on a new breeding site at Lions Rump, the third known breeding site for this species in the South Shetland Islands. Together with observations from other parts of the archipelago, the information in this study supports earlier suggestions of a southerly expansion of this species and of attempts to colonise the Antarctic Peninsula region.

One of the most prevalent rationales for public healthcare policies is a human right to healthcare. Governments are the typical duty-bearers, but they differ vastly in their capacity to help those vulnerable to serious health problems and those with severe disabilities. A right to healthcare is out of the reach of many developing economies that struggle to provide the most basic services to their citizens. If human rights to provision of such goods exist, then governments would be violating rights without doing anything wrong. I argue that such variable ability to provide healthcare depends not only on financial resources, but on institutional capacity, and that the latter represents a more fundamental challenge to the existence of a human right to healthcare than previously recognized. This challenge does not imply that government has no obligations to protect and improve the health of their citizens, but that it is best to think of such obligations as generated by conventional rights, namely rights arising from local legal and social conventions, which require governments to pursue health-related moral goals such as reducing suffering, closing opportunity gaps for the disadvantaged, and preventing the spread of contagious diseases. We need not think of such moral goals in terms of human rights.

Revealed preference approaches to modelling agents’ choices face two seemingly devastating explanatory objections. The no self-explanation objection imputes a problematic explanatory circularity to revealed preference approaches, while the causal explanation objection argues that, all things equal, a scientific theory should provide causal explanations, but revealed preference approaches decidedly do not. Both objections assume a view of explanation, the constraint-based view, that the revealed preference theorist ought to reject. Instead, the revealed preference theorist should adopt a unificationist account of explanation, allowing her to escape the two explanatory problems discussed in this paper.

This paper introduces a condition for rational choice that states that accepting decision methods and normative theories that sometimes entail that the act of choosing a maximal alternative renders this alternative non-maximal is irrational. The paper illustrates how certain distributive theories that ascribe importance to what the status quo is violate this condition and argues that they thereby should be rejected.

Two years after completing his overture to A Midsummer Night’s Dream (1826), Felix Mendelssohn-Bartholdy began to write of another vision: visiting his friend, the composer Adolf Fredrik Lindblad, in Sweden. Over the coming years, as Mendelssohn continually returned to this idea, additional reasons to make such a journey presented themselves: performances of his works in that city, including the Shakespearean overture, were well received; he became personally acquainted with Crown Prince Oscar, to whom he dedicated the op. 44 string quartets; he was elected to the Royal Swedish Academy of Music; his first cousin, Josephine (‘Peppi’) Benedicks, lived in Stockholm; and his friendship with Jenny Lind in the last years of his life only strengthened his interest in the north.

While Mendelssohn’s letters to Lindblad have long been known to scholars, the Gegenbriefe from Lindblad remain unpublished. For the first time, his voice is now fully restored to the conversation in an extensive correspondence that contributes to knowledge of Mendelssohn’s interpretations of his own music and his early reverence for the late Beethoven string quartets. In addition, this article also uncovers epistolary evidence of a cluster of related compositions by Mendelssohn and Lindblad spawned by Mendelssohn’s interest in the quartet in F Major (op. 135), including a little-known song that Lindblad dedicated to Felix on the occasion of his marriage.

Mendelssohn’s journeys to Scotland and Italy inspired his musical imagination in ways that have richly benefitted the concert repertoire. How might he have translated his impressions of Nordic history, culture and geography into new aural atmospheres, had he followed his dream to travel northwards?

In this article I address the relationship between European archaeologists and the European Union and argue that the dominant attitude of non-involvement that archaeologists have embraced over the past decades cannot be justified given recent political developments. The European project finds itself in a state of deep crisis, under siege from populist and far-right leaders within and around Europe. We cannot afford to watch from the sidelines when the future of hundreds of millions of people is at stake. As archaeologists we can make a positive contribution by harnessing the political dimension of our work, which we need to stop seeing in a negative light. We should deploy the past to help tackle the challenges of our society. European archaeologists should particularly focus on developing grand narratives of a shared past in Europe, to act as a foundation for a European identity.

Permafrost occupies 20 million square kilometres of Earth’s high-latitude and high-altitude landscapes. These regions are sensitive to climate change and human activities; hence, permafrost research is of considerable scientific and societal importance. However, the results of this research are generally not known by the general public. Communicating scientific concepts is an increasingly important task in the research world. Different ways to engage learners and incorporate narratives in teaching materials exist, yet they are generally underused. Here we report on an international scientific outreach project called “Frozen-Ground Cartoons”, which aims at making permafrost science accessible and fun for students, teachers, and parents through the creation of comic strips. We present the context in which the project was initiated, as well as recent education and outreach activities. The future phases of the project primarily involve a series of augmented reality materials, such as maps, photos, videos, and 3D drawings. With this project we aim to foster understanding of permafrost research among broader audiences, inspire future permafrost researchers, and raise public and science community awareness of polar science, education, outreach, and engagement.