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BEGIN:VEVENT
DTSTAMP:20250213T095147
DTSTART;TZID=America/Detroit:20250228T153000
DTEND;TZID=America/Detroit:20250228T163000
SUMMARY:Lecture / Discussion:Smith Lecture - Andrew Heard\, Woods Hole Oceanographic Institute
DESCRIPTION:The rise of oxygen (O2) in Earth’s surface environment during the ‘Great Oxidation Event’ (GOE) occurred about 2.3 billion years ago and set Earth on the path to becoming hospitable for complex life with high metabolic O2 requirements. While proxy records have allowed us to quantify rising atmospheric O2 levels quite effectively during this time period\, we have far fewer constraints on the timing and extent of ocean oxygenation beneath this evolving atmosphere right as the GOE was taking place. In this talk I will present new constraints on the coupled oxygenation of the ocean and atmosphere during the GOE using measurements of stable thallium and vanadium isotopes in Paleoproterozoic shales. These two global ocean paleoredox proxies exhibit subtly distinct responses to the impacts of ocean oxygenation that together allow us to build a nuanced picture of syn-GOE marine redox dynamics. I will present thallium isotopic data that demonstrates an instantaneous coupling between the initial oxygenation of the atmosphere above a canonical threshold value\, and the onset of significant manganese oxide burial in the oceans. Then\, I will show how vanadium isotope constraints indicate marine surface O2 reached levels persistently above quantifiable thresholds within as little as a few million years of the onset of permanent atmospheric oxygenation.
UID:123506-21851010@events.umich.edu
URL:https://events.umich.edu/event/123506
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Lecture
LOCATION:1100 North University Building - 1528
CONTACT:
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DTSTAMP:20250228T120032
DTSTART;TZID=America/Detroit:20250228T160000
DTEND;TZID=America/Detroit:20250228T170000
SUMMARY:Ceremony / Service:Disability Day Of Mourning
DESCRIPTION:Join Disability Justice @ Michigan\, Autism Spectrum Club\, DRIVE\, and DAC-HP to demandAwarenessAccountabilityA stop for violence against disabled peopleDisability Day of Mourning is an annual event organized by Autistic Self Advocacy Network (ASAN) to remember disabled community members killed by caretakers or family members (filicide) in the past year. Join us to remember our dead and call for justice in legal accountability and media reporting on this issue.
UID:132959-21872129@events.umich.edu
URL:https://events.umich.edu/event/132959
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
LOCATION:Diag
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250205T142054
DTSTART;TZID=America/Detroit:20250228T160000
DTEND;TZID=America/Detroit:20250228T173000
SUMMARY:Lecture / Discussion:Lecture: Weeping Trees' Tales: Narratives of *Hevea Brasiliensis\,* the Global Rubber Boom\, and the Political Ecology of Empire
DESCRIPTION:This is a lecture associated with a talk that takes place earlier the same day\, from 11:30am - 1:30pm.\n\nThis talk traces how rubber-producing plants became a global commodity\, and it emphasizes the disastrous environmental impact and brutal labor exploitation that ensued as a result. I analyze visual and textual narratives of the rubber-producing tree *hevea brasiliensis*\, and I propose a speculative mode of analysis based on shifting scientific paradigms on plant intelligence and plant behavior. I also discuss the role of key figures like William Jackson Hooker—the English botanist and director of the Royal Botanical Gardens at Kew who successfully domesticated hevea seedlings\, paving the way for the development of rubber plantations in British colonies in Southeast Asia and\, in the process\, contributing to the collapse of the Amazonian rubber boom—and Roger Casement—the Irish diplomat known for his harrowing accounts of the violent labor regimes in the Congo Free State and the Peruvian Amazon propelled by the rubber economy. The talk further shows the links between botany\, plant commodification\, and imperialism.\n\nOlimpia E. Rosenthal is Associate Professor of Spanish and Portuguese at Indiana University. She is a scholar of colonialism in Latin America\, specializing in literary and cultural production that reflects material practices of domination\, the long-term effects of colonization\, and the ways in which imperial power has been challenged and contested. Her first book\, *Race\, Sex and Segregation in Colonial Latin America* (Routledge 2022)\, examines the emergence and early development of indigenous segregationist policies in Spanish and Portuguese America. The book shows that segregationist measures influenced the material reorganization of space\, shaped colonial processes of racialization\, and contributed to the politicization of reproductive sex. She has also organized a series of international conferences\, including one on Subaltern Studies at Indiana University’s Gateway Center in India\, and she recently co-organized the *Sawyer Seminar Global Slaveries\, Fugitivity\, and the Afterlives of Unfreedom*. Her current book project examines the political ecology of the Amazonian rubber boom.
UID:132380-21870844@events.umich.edu
URL:https://events.umich.edu/event/132380
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Interdisciplinary,Political Science,Philosophy,multicultural,Latin America,International,In Person,Humanities,Human Rights,Global,social criticism,Talk,Sustainability,Social Movement,Social Justice,Social Impact,Science,Romance Languages And Literatures,Research,Politics,Free,Advocacy,Arts And Ideas In The Humanities,Author,Biosciences,Capitalism,Center For Latin American And Caribbean Studies,Communications,Community,Community Organzing,Ethics,environmental justice,Environment,Ecology,Discussion,Culture
LOCATION:Modern Languages Building - RLL Commons (MLB 4314)
CONTACT:
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DTSTAMP:20250204T212649
DTSTART;TZID=America/Detroit:20250228T160000
DTEND;TZID=America/Detroit:20250228T170000
SUMMARY:Workshop / Seminar:Preprint Algebraic Geometry Seminar: Essential dimension of isogenies\, after Kollár and Zhuang
DESCRIPTION:https://arxiv.org/abs/2402.15362
UID:132312-21870751@events.umich.edu
URL:https://events.umich.edu/event/132312
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 4096
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250212T134755
DTSTART;TZID=America/Detroit:20250228T170000
DTEND;TZID=America/Detroit:20250228T190000
SUMMARY:Social / Informal Gathering:Black History Movie Night Paris is Burning Movie Screening
DESCRIPTION:Where does voguing come from? What does it mean exactly to \"throw shade?\" Join MCLA Bridghaite in watching a movie screening of \"Paris is Burning\" to celebrate Black influence and culture\, while also discussing the impact of 1980's Black and Latinx ballroom and drag culture in current times.
UID:132177-21870549@events.umich.edu
URL:https://events.umich.edu/event/132177
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Movie Night,Lgbt,free,Education,Culture,Community,Black History Month
LOCATION:Mary Markley Hall - Angela Davis Multicultural Lounge
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250301T180028
DTSTART;TZID=America/Detroit:20250228T170000
DTEND;TZID=America/Detroit:20250228T235959
SUMMARY:Other:Conference Championship
DESCRIPTION:Come join us for the Conference Championship.
UID:132392-21870874@events.umich.edu
URL:https://events.umich.edu/event/132392
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
LOCATION:The ❌hio State University
CONTACT:
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