{"680605":{"#nid":"680605","#data":{"type":"event","title":"EAS Seminar Series - Dr. Emil Ruff","body":[{"value":"\u003Cp\u003EEmil will talk about the microbial production of molecular oxygen (O2) in the absence of light and its relevance in apparently anoxic natural environments. Together with international collaborators he found evidence of the in-situ production and consumption of O2 in diverse ecosystems across large temporal and spatial scales. This \u201cdark oxygen production\u201d could originate from the microbial dismutation of nitric oxide and\/or chlorite, microbial processes that were so far not deemed to be important on a global scale. The discovery challenges our current understanding of the evolution, ecology, and biogeochemistry of the biogeosphere, suggesting aerobic niches in many environments that were thought to be anoxic.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E*Refreshments: 10:30 AM - 11:00 AM (Atrium)\u003C\/p\u003E","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EEmil will talk about the microbial production of molecular oxygen (O2) in the absence of light and its relevance in apparently anoxic natural environments. Together with international collaborators he found evidence of the in-situ production and consumption of O2 in diverse ecosystems across large temporal and spatial scales. This \u201cdark oxygen production\u201d could originate from the microbial dismutation of nitric oxide and\/or chlorite, microbial processes that were so far not deemed to be important on a global scale. The discovery challenges our current understanding of the evolution, ecology, and biogeochemistry of the biogeosphere, suggesting aerobic niches in many environments that were thought to be anoxic.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E*Refreshments: 10:30 AM - 11:00 AM (Atrium)\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"Is Anoxia a Hoax? Evidence for the Widespread Occurrence of \u201cDark Oxygen Production\u201d in Apparently Anoxic Environments"}],"uid":"36678","created_gmt":"2025-02-19 18:05:06","changed_gmt":"2025-02-19 18:10:00","author":"tbuchanan9","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2025-04-03T11:00:00-04:00","event_time_end":"2025-04-03T12:00:00-04:00","event_time_end_last":"2025-04-03T12:00:00-04:00","gmt_time_start":"2025-04-03 15:00:00","gmt_time_end":"2025-04-03 16:00:00","gmt_time_end_last":"2025-04-03 16:00:00","rrule":null,"timezone":"America\/New_York"},"location":"ES\u0026T L1205","extras":["free_food"],"hg_media":{"676345":{"id":"676345","type":"image","title":"Ruff Headshot.jpg","body":null,"created":"1739988575","gmt_created":"2025-02-19 18:09:35","changed":"1739988575","gmt_changed":"2025-02-19 18:09:35","alt":"Ruff Headshot","file":{"fid":"260117","name":"Ruff Headshot.jpg","image_path":"\/sites\/default\/files\/2025\/02\/19\/Ruff%20Headshot.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/2025\/02\/19\/Ruff%20Headshot.jpg","mime":"image\/jpeg","size":307055,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/2025\/02\/19\/Ruff%20Headshot.jpg?itok=aLjxDOTG"}}},"media_ids":["676345"],"groups":[{"id":"364801","name":"School of Earth and Atmospheric Sciences (EAS)"}],"categories":[],"keywords":[{"id":"175623","name":"EAS Seminar"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}