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Supernova Dust Evolution Probed by Deep-sea 60Fe Time History

Autor: Ertel, Adrienne F., Fry, Brian J., Fields, Brian D., Ellis, John

There is a wealth of data on live, undecayed 60Fe ($t_{1/2} = 2.6 \ \rm Myr$) in deep-sea deposits, the lunar regolith, cosmic rays, and Antarctic snow, which is interpreted as originating from the recent explosions of at least two near-Earth superno

Externí odkaz: http://arxiv.org/abs/2206.06464

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Proposed Lunar Measurements of $r$-Process Radioisotopes to Distinguish Origin of Deep-sea 244Pu

Autor: Wang, Xilu, Clark, Adam M., Ellis, John, Ertel, Adrienne F., Fields, Brian D., Fry, Brian J., Liu, Zhenghai, Miller, Jesse A., Surman, Rebecca

Publikováno v: The Astrophysical Journal, 2023, Volume 948, Issue 2, id.113, 13 pp

244Pu has recently been discovered in deep-sea deposits spanning the past 10 Myr, a period that includes two 60Fe pulses from nearby supernovae. 244Pu is among the heaviest $r$-process products, and we consider whether it was created in the supernova

Externí odkaz: http://arxiv.org/abs/2112.09607

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Akademický článek

Icosapent ethyl modulates circulating vascular regenerative cell content: The IPE-PREVENTION CardioLink-14 trial

Autor: Bakbak, Ehab ^{1, 2, 3, 4, 25, 29}, Krishnaraj, Aishwarya ^{1, 2, 3, 29}, Bhatt, Deepak L. ^{5, 26}, Quan, Adrian ^{1, 2}, Park, Brady ^{1, 2, 3}, Bakbak, Asaad I. ⁶, Bari, Basel ⁷, Terenzi, Kristin A. ⁸, Pan, Yi ^{1, 2}, Fry, Elizabeth J. ⁹, Terenzi, Daniella C. ¹⁰, Puar, Pankaj ^{1, 2, 3, 11}, Khan, Tayyab S. ^{12, 13}, Rotstein, Ori D. ^{2, 14, 15}, Mazer, C. David ^{2, 3, 16, 17, 18}, Leiter, Lawrence A. ^{2, 19, 20, 21}, Teoh, Hwee ^{1, 2, 19}, Hess, David A. ^{2, 3, 22, 23, 27, ∗}, Verma, Subodh ^{1, 2, 3, 15, 24, 28, 30, ∗∗}

Publikováno v: In Med 12 July 2024 5(7):718-734

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The Logical Options Framework

Autor: Araki, Brandon, Li, Xiao, Vodrahalli, Kiran, DeCastro, Jonathan, Fry, Micah J., Rus, Daniela

Learning composable policies for environments with complex rules and tasks is a challenging problem. We introduce a hierarchical reinforcement learning framework called the Logical Options Framework (LOF) that learns policies that are satisfying, opt

Externí odkaz: http://arxiv.org/abs/2102.12571

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Supernova Triggers for End-Devonian Extinctions

Autor: Fields, Brian D., Melott, Adrian L., Ellis, John, Ertel, Adrienne F., Fry, Brian J., Lieberman, Bruce S., Liu, Zhenghai, Miller, Jesse A., Thomas, Brian C.

Publikováno v: PNAS 117, 35, 21008-21010 (2020)

The Late Devonian was a protracted period of low speciation resulting in biodiversity decline, culminating in extinction events near the Devonian-Carboniferous boundary. Recent evidence indicates that the final extinction event may have coincided wit

Externí odkaz: http://arxiv.org/abs/2007.01887

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