31 research outputs found
Sodium Phosphate Does Not Increase Risk for Acute Kidney Injury After Routine Colonoscopy, Compared With Polyethylene Glycol
Oral sodium phosphate (OSP) is a common bowel purgative administered before colonoscopy; the Food and Drug Administration has warned against its use because of concerns about acute kidney injury (AKI) from the absorbed phosphate and dystrophic calcification. However, it is not clear if OSP is associated with AKI in the general population or in high-risk subgroups undergoing colonoscopy. We estimated the risk of AKI among patients undergoing a screening colonoscopy using OSP vs polyethylene glycol (PEG) for bowel cleansing in a large, US-based claims database
Reflections from the Workshop on AI-Assisted Decision Making for Conservation
In this white paper, we synthesize key points made during presentations and
discussions from the AI-Assisted Decision Making for Conservation workshop,
hosted by the Center for Research on Computation and Society at Harvard
University on October 20-21, 2022. We identify key open research questions in
resource allocation, planning, and interventions for biodiversity conservation,
highlighting conservation challenges that not only require AI solutions, but
also require novel methodological advances. In addition to providing a summary
of the workshop talks and discussions, we hope this document serves as a
call-to-action to orient the expansion of algorithmic decision-making
approaches to prioritize real-world conservation challenges, through
collaborative efforts of ecologists, conservation decision-makers, and AI
researchers.Comment: Co-authored by participants from the October 2022 workshop:
https://crcs.seas.harvard.edu/conservation-worksho
American Gut: an Open Platform for Citizen Science Microbiome Research
McDonald D, Hyde E, Debelius JW, et al. American Gut: an Open Platform for Citizen Science Microbiome Research. mSystems. 2018;3(3):e00031-18
Comments on the proposed preservation of the name Cerastes for the sand vipers
Volume: 19Start Page: 8
GPU-based Ray Tracing of Dynamic Scenes
Interactive ray tracing of non-trivial scenes is just
becoming feasible on single graphics processing units
(GPU). Recent work in this area focuses on building
effective acceleration structures, which work well under
the constraints of current GPUs. Most approaches are
targeted at static scenes and only allow navigation in the
virtual scene. So far support for dynamic scenes has not
been considered for GPU implementations. We have
developed a GPU-based ray tracing system for dynamic
scenes consisting of a set of individual objects. Each
object may independently move around, but its geometry
and topology are static
Where Do Web Sites Come From? Capturing and Interacting with Design History
To form a deep understanding of the present; we need to Þnd and engage history. We present an informal history capture and retrieval mechanism for collaborative, earlystage information design. This history system is implemented in the context of the Designers ’ Outpost, a wall-scale, tangible interface for collaborative web site design. The interface elements in this history system are designed to be ßuid and comfortable for early-phase design. As demonstrated by an informal lab study with six professional designers, this history system enhances the design process itself, and provides new opportunities for reasoning about the design of complex artifacts