Results 111 to 120 of about 108,246 (228)

News and Notes/Nouvelles et Notes

open access: yesJournal of the Canadian Health Libraries Association, 2005
Sandra Halliday
doaj   +3 more sources

AI feedback enhances community-based content moderation through engagement with counterarguments

open access: yesComputers in Human Behavior Reports
Today, social media platforms are significant sources of news and political communication, but their role in spreading misinformation has raised significant concerns.
Saeedeh Mohammadi, Taha Yasseri
doaj   +1 more source

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Notes and News

open access: yesJournal of the Palaeontological Society of India, 1958

doaj   +1 more source

Visualizing Climate Change: Television News and Ecological Citizenship

open access: yesInternational Journal of Communication, 2009
Television images can provide powerful symbols of ecological disaster. As Ulrich Beck notes (2009: 86) the catastrophic consequences of climate change must be made visible not only to enhance understanding but also to generate pressure for action. Taking
Libby Lester, Simon Cottle
doaj  

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

open access: yesFEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge   +6 more
wiley   +1 more source

ANALYSIS OF SCIENCE POPULARIZATION TEXTS IN THE FIELD OF INFORMATICS

open access: yesTravessias, 2010
There are two perspectives concerning science popularization (SP): a canonic one and a contemporary one. The objective of the present work is to investigate how SP is conceived within the field of Informatics in the journalistic media.
Tânia Maria Moreira
doaj  

Effectiveness of NEWS in identifying acute deterioration in older adults

open access: yesClinical Medicine
Introduction: The National Early Warning Score (NEWS) was developed to facilitate the early detection of acute clinical deterioration in patients by standardising the monitoring of vital signs with clear triggers identified for escalation. The validation
Isaac Akinduro, Janahan Ragunathan
doaj   +1 more source

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