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Errors are robustly tamed in cumulative knowledge processes.
Proc Natl Acad Sci U S A
February 2025
Computer Science, School of Engineering and Applied Sciences, Harvard University, Boston, MA 02134.
As knowledge accumulates in science and society in a distributed fashion, erroneous derivations can be introduced into the corpus of knowledge. Such derivations can compromise the validity of any units of knowledge that rely on them in the future. Can societal knowledge maintain some level of integrity given simple distributed error-checking mechanisms? In this paper, we investigate the following formulation of the question: assuming that a constant fraction of the new derivations is wrong, is it possible for simple error-checking mechanisms that apply when a new unit of knowledge is derived to maintain the integrity of the corpus of knowledge? This question was introduced by Ben-Eliezer et al.
View Article and Find Full Text PDFOxygen-binding proteins aid oxygen diffusion to enhance fitness of a yeast model of multicellularity.
PLoS Biol
January 2025
School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, United States of America.
Oxygen availability is a key factor in the evolution of multicellularity, as larger and more sophisticated organisms often require mechanisms allowing efficient oxygen delivery to their tissues. One such mechanism is the presence of oxygen-binding proteins, such as globins and hemerythrins, which arose in the ancestor of bilaterian animals. Despite their importance, the precise mechanisms by which oxygen-binding proteins influenced the early stages of multicellular evolution under varying environmental oxygen levels are not yet clear.
View Article and Find Full Text PDFDistinguishing classes of neuroactive drugs based on computational physicochemical properties and experimental phenotypic profiling in planarians.
PLoS One
January 2025
Department of Biology, Swarthmore College, Swarthmore, Pennsylvania, United States of America.
Mental illnesses put a tremendous burden on afflicted individuals and society. Identification of novel drugs to treat such conditions is intrinsically challenging due to the complexity of neuropsychiatric diseases and the need for a systems-level understanding that goes beyond single molecule-target interactions. Thus far, drug discovery approaches focused on target-based in silico or in vitro high-throughput screening (HTS) have had limited success because they cannot capture pathway interactions or predict how a compound will affect the whole organism.
View Article and Find Full Text PDFVideo-based estimation of blood pressure.
PLoS One
January 2025
Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, United States of America.
In this work, we propose a non-contact video-based approach that estimates an individual's blood pressure. The estimation of blood pressure is critical for monitoring hypertension and cardiovascular diseases such as coronary artery disease or stroke. Estimation of blood pressure is typically achieved using contact-based devices which apply pressure on the arm through a cuff.
View Article and Find Full Text PDFEuropean Survey on Adults with Type 1 Diabetes and their Caregivers: Insights into Personal Experience and Needs for Improving Diabetes Care.
Diabetes Ther
January 2025
Diabetes-Zentrum Mergentheim, Forschungsinstitut der Diabetes-Akademie Bad Mergentheim (FIDAM), Universität Bamberg, Bamberg, Germany.
Introduction: Type 1 diabetes (T1D) requires constant self-management and substantially impacts daily life. We surveyed the experiences/burdens of people with T1D (PWD) and their caregivers.
Methods: An online survey of PWD/caregivers (aged ≥ 18 years) living in five European countries was conducted from July to August 2021.
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