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  2. Articles
  3. The Cl isotope composition and halogen contents of Apollo-return samples.

The Cl isotope composition and halogen contents of Apollo-return samples.

Journal: Proceedings of the National Academy of Sciences of the United States of America

Published: 2020-09-08

DOI: 10.1073/pnas.2014503117

Affiliations: 7

Authors: 6

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Institutions Authors Share
The University of New Mexico (UNM), United States of America (USA)
0.50
NASA Johnson Space Center (JSC), United States of America (USA)
0.25
Columbia University in the City of New York (CU), United States of America (USA)
0.17
Jacobs Technology Inc., United States of America (USA)
0.08

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Nature Index 2021 Asia Pacific

Nature Index 2021 Asia Pacific

Sustainability, climate-change mitigation, and biomedical science are key areas for future research prowess in the Asia-Pacific region. While COVID-19 travel restrictions have disrupted collaborations between far-flung nations, they have focused attention on vast opportunities for researchers in countries in close proximity and South and southeast Asia to work more closely together on new initiatives.

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Nature Index 2020 Artificial Intelligence

Artificial intelligence is one of the most rapidly advancing and controversial topics in scientific research. As investments and revenues soar year-on-year and nations vie for leadership in the field, AI research output continues its steep, upward trajectory. But there are significant ethical and technical challenges to overcome.

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