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Is Dark Matter Made of Black Holes

Series
Oxford Physics Public Lectures
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The 2019 Halley lecture

n February 2016, the Laser Interferometer Gravitational Wave Observatory (LIGO) announced the discovery of the merger of two black holes, each of which weighed around 30 times the mass of the Sun. Shortly thereafter, it was speculated that these black holes might make up the dark matter that has long been known to exist in galaxies (like our own Milky Way). I will review this possibility and explain why the hypothesis may or may not work.

Episode Information

Series
Oxford Physics Public Lectures
People
Marc Kamionkowski
Keywords
Halley
black holes
dark matter
Department: Department of Physics
Date Added: 04/06/2019
Duration:

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The Role of Gas in Galaxy Evolution

Series
Oxford Physics Public Lectures
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Professor Jacqueline van Gorkom delivers the 18th Hintze Lecture.
How do galaxies get their gas and how do they lose it? Theories of galaxy formation predict that the growth of galaxies is regulated by the infall of hydrogen gas. This gas is the fuel for star formation. When galaxies run out of gas star formation stops. Interestingly, observationally we know much more about the stars in galaxies and how the star formation rate has evolved over time than we know about the gas. The gas is hard to observe. Currently a renaissance is taking place in observational radio astronomy, new telescopes have been developed, which can image this gas, and even better ones are being constructed. I will show what we already have learned, discuss remaining puzzles and outline what the future might bring.

Episode Information

Series
Oxford Physics Public Lectures
People
Jacqueline van Gorkom
Keywords
cosmology
astro-physics
Department: Department of Physics
Date Added: 03/06/2019
Duration: 00:58:40

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The Thirty Year Genocide - Turkey's destruction of its Christian minorities, 1894-1924

Series
Middle East Centre
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Professor Benny Morris and Professor Dror Ze'evi give a talk for the Middle East Studies Centre seminar series. Chaired by Dr Laurent Mignon (St Antony's College).
Morris and Ze'evi will talk about the destruction of the Armenian, Greek and Assyrian communities of Asia Minor - some 4-5 million people - during the reigns of Abdulhamid II, the Young Turks and Ataturk, 1894-1924. Most were dispossessed and exiled and some 2 million were murdered in three massive bouts of violence. The mass murder, in each bout, was accompanied by mass rape and abduction of girls, women and children into Muslim households, and mass conversion. They will describe the process and its causes and results.

Professor Benny Morris was born in Kibbutz Ein Hahoresh in 1948 and brought up in Israel and New York. After IDF service, he did a BA at the Hebrew University of Jerusalem and a PhD - both in modern European history - at Cambridge University. Thereafter, he worked as a journalist at The Jerusalem Post and subsequently, between 1997 and 2017, as a professor of history at Ben-Gurion University, Israel. He has been a visiting professor at Harvard University, Dartmouth College, LMU in Munich, and the University of Maryland and among his books are The Birth of the Palestinian Refugee Problem, 1947-1949 (1988); Israel's Border Wars, 1949-1956 (1993); Righteous Victims: A History of the Zionist-Arab Conflict 1882-1999 (1999); 1948, A History of the First Arab-Israeli War (2008); and, impending, jointly authored with Dror Ze'evi, The Thirty-Year Genocide, Turkey's Destruction of its Christian Minorities 1894-1924 (2019). He has published articles in The New York Times, The New York Review of Books, The New Republic, The Guardian, The Observer, The Daily Telegraph, Corriere della Sera, Die Welt, Haaretz, etc.

Professor Dror Ze'evi received his Ph.D. from Tel Aviv University in 1992, and after Post-doctoral studies at Princeton joined the faculty at Ben-Gurion University of the Negev, where he teaches Middle Eastern Studies, with an emphasis on modern and early modern cultural history. His book, An Ottoman Century: The District of Jerusalem in the 1600s, (Ithaca, SUNY Press 1996) is a portrait of a Palestinian society in the early modern period, which was soon translated into Hebrew and Turkish. Producing Desire: Changing Sexual Discourse in the Ottoman Middle East, 1500-1900 (University of California Press, 2006), is a study of the shifts in sexual outlook in the region, on the eve of modernity. A Turkish Translation was published subsequently. An edited volume (with Ehud Toledano), Society, Law and Culture in the Middle East: “Modernities” in the Making, was published in 2015 by De Gruyter, and his current research (with Benny Morris) has resulted in the volume The Thirty Years of Genocide: Turkey’s Destruction of its Christian Minorities, (Harvard University Press, with an Italian translation by Rizzoli). Zeevi founded the Department of Middle East Studies at Ben Gurion University and served as its first chair until 1998 (and once again from 2002 to 2004). He was among the founders of the Chaim Herzog Center for Middle East Studies and Diplomacy in 1997, and it's first chair, until 2002. In 2009 he was elected President of The Middle East and Islamic Studies Association of Israel (MEISAI), and in 2015 appointed Associate Dean of Humanities and Social Studies. During his career he was invited to work and lecture at many universities and research centers abroad. Among others, he was senior visiting fellow at Brandeis University and Skidmore College in the U.S. and at Koc and Sabanci Universities in Turkey. From the mid 1990s to this day Zeevi participates in a series of "track-2" meetings with Palestinian delegations, and at the end of a recent round of talks hosted by Sweden, participated in writing One Land, Two States: Israel and Palestine as Parallel States (Mossberg and Levine eds. Berkeley, 2015). He is among the founders of the Forum for Regional Thinking, engaged in presenting deeper and more accurate portrayal of the Middle East to the Israeli public, and publishes regularly in Israeli journals and websites, including Haaretz, Yediot, Ynet, and Wallah.

Episode Information

Series
Middle East Centre
People
Benny Morris
Dror Ze'evi
Keywords
conflict politics
Department: Middle East Centre
Date Added: 03/06/2019
Duration: 00:46:05

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'The Mask of a Very Definite Purpose': Edith Wharton and the Classics

Series
Reimagining Ancient Greece and Rome: APGRD public lectures
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The annual Classics & English lecture given in May 2019: Isobel Hurst (Goldsmiths) discusses Edith Wharton and the Classics.
Creative Commons Licence
Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK (BY-NC-SA): England & Wales; https://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Episode Information

Series
Reimagining Ancient Greece and Rome: APGRD public lectures
People
Isobel Hurst
Keywords
Edith Wharton
mask
classics
Department: Faculty of Classics
Date Added: 03/06/2019
Duration: 00:54:17

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Oxford Mathematics Public Lectures: Marcus du Sautoy - The Creativity Code: how AI is learning to write, paint and think

Series
The Secrets of Mathematics
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In this fascinating and provocative lecture, Marcus du Sautoy both tests our ability to distinguish between human and machine creativity, and suggests that our creativity may even benefit from that of the machines.
The Oxford Mathematics Public Lectures are generously supported by XTX Markets.

Episode Information

Series
The Secrets of Mathematics
People
Marcus du Sautoy
Keywords
mathematics
artificial intelligence
Department: Mathematical Institute
Date Added: 03/06/2019
Duration: 01:02:11

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The Connections and Disconnections in Teacher Education Policy, Research and Practice Future Research Directions

Series
Department of Education Public Seminars
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This seminar examines the alignments and tensions between teacher education research, policy and practice. This is the sixth seminar in a series of eight public seminars on 'Future directions in teacher education research, practice and policy'.

The seminar series is organised by the Department of Education.
Diane will analyse the ways in which teacher education has been conceptualised at various points in time during the past 50 years highlighting the related knowledge bases for teaching and the policies driving accountability regimes during that time. Then she will go on to focus on the current policy moment which is positioning teacher education as a policy problem requiring a national solution and large-scale reform agendas. Diane will also consider future opportunities for teacher education researchers in terms of research in, on and for teacher education.

Creative Commons Licence
Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK (BY-NC-SA): England & Wales; https://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Episode Information

Series
Department of Education Public Seminars
People
Diane Mayer
Keywords
teacher
policy
education
historical
future directions
research
theoretical
Department: Department of Education
Date Added: 03/06/2019
Duration:

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Intro : Cortex Just Keeps the Rest of the Brain Warm

Series
CortexCast - A Neuroscience Podcast
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We talk through what listeners can expect from future episodes of CortexCast.
In this introductory episode Alex, Paula and Samuel explain the purpose of this new podcast series and how it came about. We also offer a sneak peek at some of the upcoming episodes.

Episode Information

Series
CortexCast - A Neuroscience Podcast
People
Alex von Klemperer
Paula Kaanders
Samuel Picard
Keywords
neuron
cortex
brain
neurobiology
neuroscience
neurology
cognition
science
biology
interview
factual
educational
talking
creative
Department: Department of Physiology, Anatomy and Genetics (DPAG)
Date Added: 31/05/2019
Duration: 00:09:37

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The failure of political journalism

Series
Reuters Institute for the Study of Journalism
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In this seminar, Helen describes the seductive power of the collective narrative as being one of the most distorting forces in modern political journalism.
As she reflects upon her time in political journalism, she goes on to lay out seven sins that political journalists are committing, starting with the teleological view and ending with the view from Versailles.

Episode Information

Series
Reuters Institute for the Study of Journalism
People
Helen Lewis
Keywords
Brexit
referendum campaign
seven sins
political journalists
collective narrative
new statesman
british politics
neutral loudhailer
false equivalence
accountability
journalistic innumeracy
Department: Department of Politics and International Relations (DPIR)
Date Added: 31/05/2019
Duration: 00:23:31

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The Rise of Investor-State Arbitration: Rethinking Key Moments

Series
Public International Law Discussion Group (Part II)
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What explains the rise of investor-state arbitration? To the extent that investor-state arbitration had founding fathers, what were their motivations, what constraints did they have, what was their thinking?
Using documents from the American, British, German, and Swiss archives, this talk will revisit three moments: the initial vision for a standalone arbitration convention (the ICSID Convention), European governments’ decisions to add consent to arbitration into their investment treaties, and America’s late embrace of investor-state arbitration. Revisiting these moments with internal documents suggests a need to rethink conventional narratives about who and what drove the development of investor-state arbitration.

Taylor St John is Lecturer in International Relations at the University of St Andrews. She researches the history and politics of investment law. Her monograph, The Rise of Investor-State Arbitration: Politics, Law, and Unintended Consequences, was published by Oxford University Press in 2018. She is currently researching ISDS reform processes, and co-authors the EJIL Talk! blogs on the UNCITRAL negotiations with Professor Anthea Roberts. She was previously Postdoctoral Research Fellow, PluriCourts, University of Oslo and before that, Fellow in International Political Economy, London School of Economics. She received a DPhil and MSc from the University of Oxford.
Creative Commons Licence
Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK (BY-NC-SA): England & Wales; https://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Episode Information

Series
Public International Law Discussion Group (Part II)
People
Taylor St John
Keywords
investor state
public international law
standalone arbitration
ICSIC convention
politics
investor-state arbitration
Department: Faculty of Law
Date Added: 31/05/2019
Duration: 00:39:56

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CortexCast - A Neuroscience Podcast

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An watercolour image of a brain in blues, pinks and purples

Welcome to CortexCast, a space for deep dives into the workings of the human brain. We explore neurones and networks, memory and meaning, the biology of thought and the art of being. Each episode brings inspiring conversations with world-leading neurobiologists that connect science, philosophy and imagination. This is the official podcast of Oxford University Cortex Club - the student-led neuroscience society that through research seminars and workshops unites the academic community to decode the mind.

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