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Christian Joas (Niels Bohr Archive)8/7/23, 9:00 AM
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Lene B. Oddershede8/7/23, 9:05 AM
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Vilhelm A. Bohr8/7/23, 9:15 AM
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Hanne Andersen (University of Copenhagen)8/7/23, 9:30 AM
In this talk I will start with a brief review of recent discourse about interdisciplinarity, especially focusing on a popular distinction between inter- and multidisciplinarity and the related notion of ‘integration’. Next, I will present an analytical approach that can be used for examining research activities that cross boundaries between disciplines, subdisciplines or research fields. I...
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Christian Joas (Niels Bohr Archive)8/7/23, 9:55 AM
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8/7/23, 10:20 AM
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Soraya de Chadarevian (UCLA)8/7/23, 11:15 AM
In the decades following World War II, biophysics flourished as a field. The paper will review the historical constellations that propelled this development. It will consider the scientific promise and the cultural and political appeal of the field, the careers of the scientists that were attracted to work at the intersection of physics and biology, the techniques and practices they brought...
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Kärin Nickelsen (Munich)8/7/23, 11:40 AM
These two papers present a joint argument exploring how scientists with expertise in physics and/or biology ventured beyond the boundaries of their fields. Our primary focus is on research surrounding a debated question during the first half of the twentieth century: the impact of light on living organisms. Notable figures such as Selig Hecht, Otto Warburg, Frits Went, James Franck, Eugene...
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Caterina Schürch (Berlin)8/7/23, 12:05 PM
These two papers present a joint argument exploring how scientists with expertise in physics and/or biology ventured beyond the boundaries of their fields. Our primary focus is on research surrounding a debated question during the first half of the twentieth century: the impact of light on living organisms. Notable figures such as Selig Hecht, Otto Warburg, Frits Went, James Franck, Eugene...
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8/7/23, 12:30 PM
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Anja Skaar Jacobsen (University of Copenhagen)8/7/23, 2:00 PM
Christian Bohr was an eminent and successful professor of physiology at the University of Copenhagen. At the time when Georg Brandes trailblazed the Modern Breakthrough in literature opening Danish inward-looking mentality to European culture, Christian Bohr contributed crucially to elevate Danish medical science from its secluded, provincial state to a field to be reckoned with on the...
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Helge Kragh (University of Copenhagen)8/7/23, 2:25 PM
Bohr’s deep and in some respects fruitful interest in the interface between physics and biology should not overshadow the fact that he and his institute was in general remarkably foreign to inter- or crossdisciplinary aspects of physics. Thus, despite some work was done on quantum chemistry in the late 1920s (Ø. Burrau), it was not followed up. Likewise, there were a few early contributions to...
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8/7/23, 2:50 PM
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Olival Freire Jr. (Salvador da Bahia)8/7/23, 3:45 PM
Schweber was an accomplished historian of science, with seminal contributions to the 20th-century history of science. Before, he had been a great physicist for more than 20 years. While he was not the single case of such a transition from science to humanities (Abraham Pais, Léon Rosenfeld and Ernst Mayr are the names to be evoked, as well as other cases from physics to philosophy, and...
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Richard Staley (Copenhagen and Cambridge)8/7/23, 4:10 PM
This paper explores several historical and methodological implications of the unusually thorough-going cross disciplinary arguments that Ernst Mach developed as a result of his work between physics, physiology and psychology from the 1860s through the 1880s, by examining legacies of Mach’s approach in the development of theories of gravity and economic anthropology by Albert Einstein and...
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8/7/23, 4:35 PM
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John L Heilbron (UC Berkeley)8/7/23, 5:15 PM
Physicists and, before their existence, natural philosophers and applied mathematicians, made fundamental contributions to the development of the historical sciences as well as to the history of science. That was not mere coincidence: both the historical and experimental sciences had their origins in the Scientific Revolution. I shall give a few Indicators of the parallel rise of the...
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8/7/23, 6:30 PM
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David Kaiser (MIT)8/8/23, 9:00 AM
For nearly a decade, beginning in the mid-1970s, a debate unfolded among physicists and engineers over how best to include effects from Einstein's general theory of relativity in the new military technology now known as the Global Positioning System (GPS). Although some exchanges were published in the open scientific literature, much of the debate played out behind the scenes, in memos,...
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Shaul Katzir (Tel Aviv)8/8/23, 9:25 AM
The definition of time was traditionally the domain of astronomers who determined the exact length of the (average) day. Combining observations and gravitational theory of the solar system, astronomers inferred in the 1920s that the Earth’s rotation around its axis is not uniform. Physicists did not contribute to this rather complicated argument until the mid-1930s when they were able to...
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Phillip R. Sloan (University of Notre Dame)8/8/23, 9:50 AM
In his August 1932 lecture to the second meeting of the International Congress for Light Therapy, Bohr made in public the transfer of his concept of “complementarity,” originally applied in physics in his paper of 1927 to the wave-particle duality, to the domain of biology. This lecture, subsequently published in English (1932, 1933), Danish (1933) and German (1933), positioned...
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8/8/23, 10:15 AM
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Liselotte Højgaard (University of Copenhagen)8/8/23, 11:15 AM
George de Hevesy (1885-1966), Hungarian-born chemist and Nobel laureate, developed the use of radioactive indicators in 1913 while working in Rutherford’s lab in Manchester, where he also met Niels Bohr. After World War I, Hevesy came to Copenhagen to work at Bohr’s Institute, where he and the Dutch physicist Dirk Coster discovered element 72 of the periodic table, hafnium. In the 1920s,...
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Karl Grandin (Stockholm)8/8/23, 11:40 AM
Marie Curie was awarded half of the 1903 Nobel Prize in physics together with her husband Pierre Curie “in recognition of the extraordinary services they have rendered by their joint researches on the radiation phenomena discovered by Professor Henri Becquerel”. Becquerel was awarded half of the prize “in recognition of the extraordinary services he has rendered by his discovery of spontaneous...
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Dania Achermann (Wuppertal and Bern)8/8/23, 12:05 PM
The history of post-war climate science has been written with a strong focus on the role of global geopolitics and global climate models. In this talk, I will broaden this perspective with a smaller scale approach and a different technology. Drawing on the history of a specific radiocarbon dating laboratory, I show, on the one hand, how also local conditions influenced global climate science...
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8/8/23, 12:30 PM
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Gregory A. Good (West Virginia University)8/8/23, 2:00 PM
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Kristine C. Harper (University of Copenhagen)8/8/23, 2:25 PM
Despite the interest of natural philosophers-turned-physicists in the physical nature of the atmosphere and the development of instruments to measure it since at least the 16th century, physicists were often not overly enamored of meteorology as a topic of serious merit. Thus, in the US, meteorology was relegated to geography departments and physicists like Theodore von Kármán felt compelled...
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Matthias Heymann (Aarhus)8/8/23, 2:50 PM
Efforts to investigate, understand and, eventually, predict weather and climate have changed significantly from the late 18th to the late 20th century. For a long time, physicists struggled and failed to establish a causal understanding of weather and climate based on the laws of physics. Instead, observation and experienced-based research traditions emerged, culminating in synoptic...
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8/8/23, 3:15 PM
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8/9/23, 1:00 PM
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8/9/23, 2:00 PM
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8/9/23, 2:05 PM
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8/9/23, 2:08 PM
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8/9/23, 2:15 PM
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8/9/23, 2:25 PM
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8/9/23, 2:35 PM
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8/9/23, 2:36 PM
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8/9/23, 2:45 PM
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8/9/23, 2:55 PM
Member of the organizing committee. Will introduce Nobel Laureate Prof. Morten Meldal
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8/9/23, 3:00 PM
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8/9/23, 4:15 PM
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8/9/23, 4:20 PM
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Joachim Mathiesen (NBI)8/10/23, 9:40 AM
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Rob B. Phillips (Caltech)8/10/23, 9:50 AM
Only ten years after the discovery of the iconic structure of DNA, new questions
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were on biologist’s minds, namely, how are the macromolecules of the cell regulated so
that they do what they are supposed to when and where they are needed. The initial
resolution of the challenging question of biological regulation came in the form
of the notion of “allostery”, an idea that its discoverer... -
Manu Prakash (Stanford)8/10/23, 11:10 AM
Recreational mathematics is a century-old field which involves mathematical puzzles and games, often appealing to children and untrained adults, inspiring deep study of the subject. Can a similar analogy be drawn in biology? One place to explore these ideas is the role of geometry and topology (geometric properties invariant to continuous change in shape or size) in biological form and...
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Ewine van Dishoeck (Leiden)8/10/23, 12:00 PM
Thousands of planets have been discovered around stars other than our
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Sun. But how and where are these exo-planets born, and why are they so
different from those in our own solar system? Which ingredients are
available to build them? Thanks to powerful new telescopes, including
the James Webb Space Telescope, astronomers can now zoom in to
planetary construction sites and study their... -
Julia Yeomans (Oxford)8/10/23, 2:00 PM
The motion of epithelial cells is key to many life processes from morphogenesis to wound healing. Despite its importance, and considerable recent attention, much remains to be understood about collective cell motility, both in terms of elucidating the underlying biochemistry, and at a more coarse-grained level of identifying the primary forces involved.
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In this talk I will describe recent... -
David Nelson (Harvard)8/10/23, 2:50 PM
The growth and evolution of microbial populations is often subject to advection by fluid flows in spatially extended environments, with immediate consequences for spatial population genetics in marine ecology, planktonic diversity and fixation times. We review recent progress made in understanding this rich problem in the simplified setting of two competing genetic microbial strains subjected...
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Leonie Ringrose (Humboldt Univ. Berlin)8/10/23, 4:10 PM
I am a molecular biologist on a journey towards theoretical biology. My field of research is epigenetic gene regulation by the Polycomb and Trithorax groups of proteins. I am fascinated by the apparently incompatible properties of randomness and precision in this system, both of which have been observed experimentally.
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The field of Polycomb and Trithorax regulation has seen a rapid expansion... -
8/10/23, 6:00 PM
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David Weitz (Harvard)8/11/23, 9:00 AM
This talk will discuss new observations of the role of weak interactions in liquids that can transform them into solids. This includes interactions between oil and water that can lead to anomalous stability of water-oil mixtures and the interactions of of proteins that can lead to phase separation, gelation and self-assembly of proteins.
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Nikta Fakhri (MIT)8/11/23, 10:20 AM
Active processes in living systems create a novel class of nonequilibrium matter composed of many interacting components that individually consume energy and collectively generate motion or mechanical stress. In this talk, I will discuss experimental tools and conceptual frameworks we develop to uncover laws governing fluctuations, order, and self-organization in systems in which individual...
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Andreas Bausch (TU Munich)8/11/23, 11:10 AM
Living matter relies on the self organization of its components into higher order structures, on the molecular as well as on the cellular, organ or even organism scale. Collective motion due to active transport processes has been shown to be a promising route for attributing fascinating order formation processes on these different length scales. Here I will present recent results on structure...
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Julius Kirkegaard (NBI)8/11/23, 1:00 PM
Exploiting the mathematical curiosity of intransitive dice, I will present a simple theoretical model for coevolution that captures scales ranging from the genome of the individual to the system-wide emergence of species diversity. In this simple model, evolving agents interact competitively in a closed system, in which both the dynamics of mutations and competitive advantage emerge directly...
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8/11/23, 1:00 PM
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Dr Natascha Leijnse (NBI)8/11/23, 1:15 PM
The cells in our bodies are highly dynamic: Myriads of vital
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processes take place inside a cell every second. An individual cell can use
filopodia, dynamic 'cellular fingers', to 'feel', explore, and manipulate its
close by environment for instance during development as well as during
cancer invasion.
In this talk I will explain how we use optical tweezers in combination with... -
Dr Mathias Heltberg (NBI)8/11/23, 1:30 PM
The fundamental mechanisms that control and regulate biological organisms exhibit a surprising level of complexity. The protein, p53, is a master regulator of DNA damage response and when the cell is exposed to multiple DNA double-strand breaks, it exhibits sustained oscillations.
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A characteristic hallmark of the response is the formation of sub-compartments around the site of damage, known... -
Dr Siavash Monfared (NBI)8/11/23, 1:45 PM
The emergence of organization from the collective interactions of cells with no central guidance is a fundamental question in developmental biology, regeneration and biomedicine. Though widely studied from biochemistry and genetics perspectives, the interplay of mechanical interactions and the dynamics of self-organization remains elusive. In this talk, I will focus on the role of...
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Dr Farzan Vafa (Harvard)8/11/23, 2:00 PM
Cones with orientational order in the local tangent plane provide a soft matter analog of the Aharonov-Bohm effect. We investigate the dynamics of a compressible active nematic on a cone. Imposing strong anchoring boundary conditions at the base gives rise to a rich phase diagram of periodic orbits of one or two +1/2 flank defects, with transitions between these states mediated by defect...
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Mogens H. Jensen (NBI)8/11/23, 2:15 PM
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Christian Joas (Niels Bohr Archive)
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Christian Joas (Niels Bohr Archive)
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Amin Doostmohammadi
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