scholarly journals Twins in Nature, Science, and Society

1974 ◽  
Vol 23 (S2) ◽  
pp. 11-11
Author(s):  
L. Gedda

Rome is certainly one of the places in the world which speaks to us of twins more than any other, and, in Rome itself, the Capitoline Hall of the Horatii and Guriatii triplets. From the myth of Romulus and Remus, history gradually passes through the tale of the triplets from Rome and Albalonga, who prevented a bigger war, up to the memory of the Emperor-philosopher Marcus Aurelius, who had twin sons.Today, however, not only legend and history deal with twins, but also science and particularly demography and genetics do so as well.Demography discovers constants in the frequency of the phenomenon of twins, and this presents characteristic variabilities which aid in reconstructing the ethnological events of the human species. The example of Italy is characteristic (see sketch on the cover of the book).Genetics has found in twins a special motif of interest, in that about one-third of the twins are identical, that is, they have the same hereditary patrimony. On the basis of this phenomenon, twins hereditarily different are also utilized, and special study methods have been set up. The study of twins today opens up in a special way a new field of Genetics, of which they represent the most important and demonstrative test: the heredity of biological time, or Chronogenetics.

Impact ◽  
2019 ◽  
Vol 2019 (10) ◽  
pp. 18-20
Author(s):  
Akimichi Takemura

Shiga University opened the first data science faculty in Japan in April 2017. Beginning with an undergraduate class of 100 students, the Department has since established a Master's degree programme with 20 students in each annual intake. This is the first data science faculty in Japan and the University intends to retain this leading position, the Department is well-placed to do so. The faculty closely monitors international trends concerning data science and Artificial Intelligence (AI) and adapt its education and research accordingly. The genesis of this department marks a change in Japan's attitudes towards dealing with information and reflects a wider, global understanding of the need for further research in this area. Shiga University's Data Science department seeks to produce well-trained data scientists who demonstrate a good balance of knowledge and skills in each of the three key areas of data science.


Author(s):  
Hallie M. Franks

In the Greek Classical period, the symposium—the social gathering at which male citizens gathered to drink wine and engage in conversation—was held in a room called the andron. From couches set up around the perimeter of the andron, symposiasts looked inward to the room’s center, which often was decorated with a pebble mosaic floor. These mosaics provided visual treats for the guests, presenting them with images of mythological scenes, exotic flora, dangerous beasts, hunting parties, or the specter of Dionysos, the god of wine, riding in his chariot or on the back of a panther. This book takes as its subject these mosaics and the context of their viewing. Relying on discourses in the sociology and anthropology of space, it argues that the andron’s mosaic imagery actively contributed to a complex, metaphorical experience of the symposium. In combination with the ritualized circling of the wine cup from couch to couch around the room and the physiological reaction to wine, the images of mosaic floors called to mind other images, spaces, or experiences, and, in doing so, prompted drinkers to reimagine the symposium as another kind of event—a nautical voyage, a journey to a foreign land, the circling heavens or a choral dance, or the luxury of an abundant past. Such spatial metaphors helped to forge the intimate bonds of friendship that are the ideal result of the symposium and that make up the political and social fabric of the Greek polis.


Author(s):  
Necla Tschirgi ◽  
Cedric de Coning

While demand for international peacebuilding assistance increases around the world, the UN’s Peacebuilding Architecture (PBA) remains a relatively weak player, for many reasons: its original design, uneasy relations between the Peacebuilding Commission and Security Council, turf battles within the UN system, and how UN peacebuilding is funded. This chapter examines the PBA’s operations since 2005, against the evolution of the peacebuilding field, and discusses how the PBA can be a more effective instrument in the UN’s new “sustaining peace” approach. To do so, it would have to become the intergovernmental anchor for that approach, without undermining the intent that “sustaining peace” be a system-wide responsibility, encompassing the entire spectrum of UN activities in peace, security, development, and human rights.


Author(s):  
Thomas Hardy

Wherefore is light given to him that is in misery, and life unto the bitter in soul?' Jude Fawley, poor and working-class, longs to study at the University of Christminster, but he is rebuffed, and trapped in a loveless marriage. He falls in love with his unconventional cousin Sue Bridehead, and their refusal to marry when free to do so confirms their rejection of and by the world around them. The shocking fate that overtakes them is an indictment of a rigid and uncaring society. Hardy's last and most controversial novel, Jude the Obscure caused outrage when it was published in 1895. This is the first truly critical edition, taking account of the changes that Hardy made over twenty-five years. It includes a new chronology and bibliography and substantially revised notes.


Agronomy ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 978
Author(s):  
Beatrice Aighewi ◽  
Norbert Maroya ◽  
Lava Kumar ◽  
Morufat Balogun ◽  
Daniel Aihebhoria ◽  
...  

Yam (Dioscorea spp.) is a valuable food security crop in West Africa, where 92% of the world production occurs. The availability of quality seed tubers for increased productivity is a major challenge. In this study, minitubers weighing 1, 3, and 5 g produced from virus-free single-node vine cuttings of two improved yam varieties (Asiedu and Kpamyo) growing in an aeroponics system were assessed for suitability in seed production at a population of 100,000 plants ha−1. A 3 × 2 factorial experiment with randomized complete block design and three replications was set up during the cropping seasons of 2017 to 2019 at the International Institute of Tropical Agriculture Research Station in Kubwa, Abuja, Nigeria. Results showed field establishments of 87%–97.8%. Yields differed with minituber size, variety, and cropping season; the highest was 31.2 t ha−1 in 2019 and the lowest, 10 t ha−1 in 2018 from 5 and 1 g Kpamyo minitubers, respectively. The estimated number of tubers produced per hectare by 1, 3, and 5 g minitubers was 101,296, 112,592, and 130,555, with mean weights per stand of 159.2, 187.3, and 249.4 g, respectively. We recommend using less than 6 g minitubers for seed yam production due to their high multiplication rates.


2021 ◽  
pp. 263300242110244
Author(s):  
Alice M. Greenwald ◽  
Clifford Chanin ◽  
Henry Rousso ◽  
Michel Wieviorka ◽  
Mohamed-Ali Adraoui

How do societies and states represent the historical, moral, and political weight of the terrorist attacks they have had to face? Having suffered in recent years from numerous terrorist attacks on their soil originating from jihadist movements, and often led by actors who were also their own citizens, France and the United States have set up—or seek to do so—places of memory whose functions, conditions of creation, modes of operation, and nature of the messages sent may vary. Three of the main protagonists and initiators of two museum-memorial projects linked to terrorist attacks have agreed to deliver their visions of the role and of the political, social, and historical context in which these projects have emerged. Allowing to observe similarities and differences between the American and French approach, this interview sheds light on the place of memory and feeling in societies struck by tragic events and seeking to cure their ills through memory and commemoration.


2021 ◽  
pp. 1-24
Author(s):  
Victor Crochet ◽  
Marcus Gustafsson

Abstract Discontentment is growing such that governments, and notably that of China, are increasingly providing subsidies to companies outside their jurisdiction, ‘buying their way’ into other countries’ markets and undermining fair competition therein as they do so. In response, the European Union recently published a proposal to tackle such foreign subsidization in its own market. This article asks whether foreign subsidies can instead be addressed under the existing rules of the World Trade Organization, and, if not, whether those rules allow States to take matters into their own hands and act unilaterally. The authors shed light on these issues and provide preliminary guidance on how to design a response to foreign subsidization which is consistent with international trade law.


Religions ◽  
2019 ◽  
Vol 10 (8) ◽  
pp. 478
Author(s):  
Verónica Roldán

The present study on the religious experience of the Peruvian community in Rome belongs to the area of studies on immigration, multiculturalism, and religion in Italy. In this article, I analyze the devotion of the Peruvian community in Rome to “the Lord of Miracles”. This pious tradition, which venerates the image of Christ crucified—painted by an Angolan slave—began in 1651 in Lima, during the Viceroyalty of Peru. Today, the sacred image is venerated in countries all over the world that host Peruvian immigrant communities that have set up branches of the Confraternity of the Lord of Miracles. I examine, in particular, the cult of el Señor de los Milagros in Rome in terms of Peruvian popular religiosity and national identity experienced within a transnational context. This essay serves two purposes: The first is to analyze the significance that this religious experience acquires in a foreign environment while maintaining links with its country of origin and its cultural traditions in a multilocal environment. The second aim is to examine the integration of the Peruvian community into Italian society, beginning with religious practice, in this case Roman Catholicism. This kind of religiosity seems not only to favor the encounter between the two cultures but also to render Italian Roman Catholicism multicultural.


Author(s):  
Natasha Warner ◽  
Daniel Brenner ◽  
Jessamyn Schertz ◽  
Andrew Carnie ◽  
Muriel Fisher ◽  
...  

AbstractScottish Gaelic is sometimes described as having nasalized fricatives (/ṽ/ distinctively, and [f̃, x̃, h̃], etc. through assimilation). However, there are claims that it is not aerodynamically possible to open the velum for nasalization while maintaining frication noise. We present aerodynamic data from 14 native Scottish Gaelic speakers to determine how the posited nasalized fricatives in this language are realized. Most tokens demonstrate loss of nasalization, but nasalization does occur in some contexts without aerodynamic conflict, e.g., nasalization with the consonant realized as an approximant, nasalization of [h̃], nasalization on the preceding vowel, or sequential frication and nasalization. Furthermore, a very few tokens do contain simultaneous nasalization and frication with a trade-off in airflow. We also present perceptual evidence showing that Gaelic listeners can hear this distinction slightly better than chance. Thus, instrumental data from one of the few languages in the world described as having nasalized fricatives confirms that the claimed sounds are not made by producing strong nasalization concurrently with clear frication noise. Furthermore, although speakers most often neutralize the nasalization, when they maintain it, they do so through a variety of phonetic mechanisms, even within a single language.


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