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Where on Earth is all the water?


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IMAGE: High-resolution chemical analyses with secondary ion mass spectroscopy showed the abundance of water left in silicate melt after compressing with liquid iron metal.
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Credit: © 2021 Tagawa et al.
High-temperature and high-pressure experiments involving a diamond anvil and chemicals to simulate the core of the young Earth demonstrate for the first time that hydrogen can bond strongly with iron in extreme conditions. This explains the presence of significant amounts of hydrogen in the Earth s core that arrived as water from bombardments billions of years ago.
Given the extreme depths, temperatures and pressures involved, we are not physically able to probe very far into the earth directly. So, in order to peer deep inside the Earth, researchers use techniques involving seismic data to ascertain things like composition and density of subterranean material. Something that has stood out for as long as these kinds of measurements h ....

Bunkyo Ku , Shunpei Yokoo , Yasuo Ohishi , Rohan Mehra , Kei Hirose , Shoh Tagawa , John Hernland , Naoya Sakamoto , Hisayoshi Yurimoto , Nature Communications , Department Of Earth , University Of Tokyo , School Of Science , Division For Strategic Public Relations , Planetary Science , Professor Kei Hirose , Strategic Public Relations , புங்கயோ கு , ரோஹன் மெஹ்ரா , இயற்கை தகவல்தொடர்புகள் , துறை ஆஃப் பூமி , பல்கலைக்கழகம் ஆஃப் டோக்கியோ , பள்ளி ஆஃப் அறிவியல் , பிரிவு க்கு மூலோபாய பொது உறவுகள் , கிரகங்கள் அறிவியல் , மூலோபாய பொது உறவுகள் ,

Rapid lifestyle changes during early COVID-19 pandemic had no impact on climate change


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IMAGE: Researchers at the University of Tokyo examined how lifestyle changes during the COVID-19 state of emergency affected the consumption habits and associated carbon footprints of Japanese households. The carbon footprints.
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Credit: Image by Yin Long, first published in One Earth DOI: 10.1016/j.oneear.2021.03.003
Despite the rapid and significant changes in consumption patterns witnessed during the initial months of the COVID-19 pandemic, Japanese households maintained their normal levels of greenhouse gases emissions. The anthropause reduction of human activity due to the pandemic made headlines last summer, but factory shutdowns and broken global supply chains did not translate into the adoption of eco-friendly lifestyles for the average household. ....

Shibuya Ku , Bunkyo Ku , Caitlin Devor , Keiichiro Kanemoto , Alexandros Gasparatos , Dabo Guan , Gasparatos Lab , United Nations University , University Of Tokyo Institute For Future , United Nations Sustainable Development Goals , Institute For The Advanced Study Of Sustainability , Research Article , Division For Strategic Public Relations , Institute For Future Initiatives , Research Contact , University Of Tokyo , Project Assistant Professor Yin Long , Tokyo Institute , Associate Professor Alexandros Gasparatos , Future Initiatives , Advanced Study , Officer Contact , Strategic Public Relations , ஷிபுயா கு , புங்கயோ கு , கெய்ட்லின் டேவோர் ,