Science - USA (2021-12-24)
Physics Condensed matter physics, in particular the properties of superconducting materials, is an area of intensive study at Ci ...
requires complementary approaches. We chose a Bayesian implementation of the Ornstein-Uhlenbeck model of trait evolution ( 10 , ...
shifts. However, a second shift toward the evolution of large body sizes occurred in the Oligocene, fitted to the branch leading ...
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Executive Editor Monica M. Bradford Editors, Research Valda Vinson, Jake S. Yeston ...
energy surplus (fig. S16C and table S12). This surplus may indicate that the food web of the Fossil Hill Fauna as now known is i ...
SCIENCE science.org 24 DECEMBER 2021 • VOL 374 ISSUE 6575 1537 EDITORIAL A mid the many miscommunications and mis- understanding ...
modified Huanget al.( 63 ) taxon set (analysis III) findsCymbospondylusas later branching than mixosaurids and the CarnianToreto ...
While artificial intelligence (AI) can be a powerful technology for addressing complex grand challenges such as climate change, ...
(fig. S10) with a maximum likelihood approach, using the“fitContinuous”function of the R package“geiger”( 10 ) (data S6). We fit ...
IMAGE COURTESY OF MBZUAI for executives. Future expansion will add professional training programs for engineers, Bachelor’s degr ...
new tool from quantitative ecosystem ecology implemented in R,“fluxweb”( 41 ), which is based on allometric trophic network theo ...
science.org SCIENCE PHOTO: PATRICK SEMANSKY/AP PHOTO NEWS IN BRIEF Edited byJeffrey Brainard A ny look at the immediate future o ...
altered by changing body masses. An evalu- ation of the equations used for physiological losses shows that whereas the body-mass ...
SCIENCE science.org PHOTO: NASA and the National Supercomputing Center’s Tianhe-3. Installation of what will be the first U.S. e ...
e1602159 (2017). doi:10.1126/sciadv.1602159; pmid: 28246643 H. Song, P. B. Wignall, A. M. Dunhill, Decoupled taxonomic and ecol ...
science.org SCIENCE PHOTO: JORGE SAAVEDRA NEWS | IN BRIEF The National Science Foundation could get up to half that amount for a ...
RESEARCH ARTICLES ◥ MOLECULAR BIOLOGY Pol IV and RDR2: A two-RNA-polymerase machine that produces double-stranded RNA Kun Huang1 ...
SCIENCE science.org 24 DECEMBER 2021 • VOL 374 ISSUE 6575 1543 IN DEPTH T he new SARS-CoV-2 variant exploding around the planet ...
loop, the lid loop, the bridge helix, and the trigger loop) compared with those of Pol II. Pol IV lacks surfaces for recruiting ...
strain of the virus—between 20% and 30%, the researchers estimate. That’s much less than the drop in antibody efficacy. “T cells ...
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