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#1Veronika Horkova (CAS: Academy of Sciences of the Czech Republic)H-Index: 7
#2Ondrej Stepanek (CAS: Academy of Sciences of the Czech Republic)H-Index: 12
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#2H Abdalla (UNAM: University of Namibia)
#3Felix Aharonian (DIAS: Dublin Institute for Advanced Studies)H-Index: 149
Last. K. L. Page (University of Leicester)H-Index: 94
view all 237 authors...
Gamma-ray bursts (GRBs), which are bright flashes of gamma rays from extragalactic sources followed by fading afterglow emission, are associated with stellar core collapse events. We report the detection of very-high-energy (VHE) gamma rays from the afterglow of GRB 190829A, between 4 and 56 hours after the trigger, using the High Energy Stereoscopic System (H.E.S.S.). The low luminosity and redshift of GRB 190829A reduce both internal and external absorption, allowing determination of its intri...
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#1Débora R. Sobreira (U of C: University of Chicago)H-Index: 9
#2Amelia C Joslin (U of C: University of Chicago)H-Index: 4
Last. Marcelo A. Nobrega (U of C: University of Chicago)H-Index: 40
view all 18 authors...
Whereas coding variants often have pleiotropic effects across multiple tissues, noncoding variants are thought to mediate their phenotypic effects by specific tissue and temporal regulation of gene expression. Here, we investigated the genetic and functional architecture of a genomic region within the FTO gene that is strongly associated with obesity risk. We show that multiple variants on a common haplotype modify the regulatory properties of several enhancers targeting IRX3 and IRX5 from megab...
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#1Christo Buizert (OSU: Oregon State University)H-Index: 30
#2T. J. Fudge (UW: University of Washington)H-Index: 2
Last. Jakob Schwander (University of Bern)H-Index: 68
view all 40 authors...
Water-stable isotopes in polar ice cores are a widely used temperature proxy in paleoclimate reconstruction, yet calibration remains challenging in East Antarctica. Here, we reconstruct the magnitude and spatial pattern of Last Glacial Maximum surface cooling in Antarctica using borehole thermometry and firn properties in seven ice cores. West Antarctic sites cooled ~10°C relative to the preindustrial period. East Antarctic sites show a range from ~4° to ~7°C cooling, which is consistent with th...
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#1Peter A Scott (WT: West Texas A&M University)
#2Linda J. Allison (FWS: United States Fish and Wildlife Service)H-Index: 4
Last. H. Bradley Shaffer (UCLA: University of California, Los Angeles)H-Index: 65
view all 5 authors...
Hansson et al argue that our main finding could provide an overly simplistic metric for maximizing genetic rescue. They agree that translocating the most genetically diverse individuals led to a large increase in translocated tortoise survival, but recommend instead moving individuals that have low genetic load and the greatest representation of metapopulation diversity. Their recommendation is based on specific model assumptions and fitness effects that are often unknown and are not generalizab...
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#1Jianan Erick Huang (U of T: University of Toronto)H-Index: 3
#2Fengwang Li (U of T: University of Toronto)H-Index: 26
Last. Edward H. Sargent (U of T: University of Toronto)H-Index: 145
view all 16 authors...
Carbon dioxide electroreduction (CO2R) is being actively studied as a promising route to convert carbon emissions to valuable chemicals and fuels. However, the fraction of input CO2 that is productively reduced has typically been very low, <2% for multicarbon products; the balance reacts with hydroxide to form carbonate in both alkaline and neutral reactors. Acidic electrolytes would overcome this limitation, but hydrogen evolution has hitherto dominated under those conditions. We report that co...
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#1Gabriela Gomez (Sanofi Pasteur)
#2Cedric Mahé (Sanofi Pasteur)H-Index: 6
Last. Sandra S. Chaves (Sanofi Pasteur)H-Index: 32
view all 3 authors...
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#1Elizabeth C Sibert (Harvard University)H-Index: 8
#2Leah Rubin (College of the Atlantic)
Shark populations have been decimated in recent decades because of overfishing and other anthropogenic stressors; however, the long-term impacts of such changes in marine predator abundance and diversity are poorly constrained. We present evidence for a previously unknown major extinction event in sharks that occurred in the early Miocene, ~19 million years ago. During this interval, sharks virtually disappeared from open-ocean sediments, declining in abundance by >90% and morphological diversit...
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