Results 51 to 60 of about 1,939,761 (391)

'I want to be a TV historian when I grow up!': On Being a Rewind Historian

open access: yesPublic History Review, 2006
In 2004, I worked as a presenter on a new ABC TV program called Rewind. Produced as part of a special initiative to make programs about Australian history, Rewind used several historians as presenters and promised to tell new stories from Australia’s ...
Michelle Arrow
doaj   +3 more sources

Pathophysiological, Neuropsychological, and Psychosocial Influences on Neurological and Neuropsychiatric Symptoms of Post-Acute COVID-19 Syndrome: Impacts on Recovery and Symptom Persistence

open access: yesBiomedicines
Although the impact of post-acute COVID-19 syndrome (PACS) on patients and public health is undeniably significant, its etiology remains largely unclear. Much research has been conducted on the pathophysiology, shedding light on various aspects; however,
Alex Malioukis   +3 more
doaj   +1 more source

Modeling Time's Arrow

open access: yes, 2012
Quantum gravity, the initial low entropy state of the Universe, and the problem of time are interlocking puzzles. In this article, we address the origin of the arrow of time from a cosmological perspective motivated by a novel approach to quantum ...
Ashtekar   +21 more
core   +2 more sources

A method to validate viral copy-number assay involving a hybrid amplicon and duplex droplet digital PCR

open access: yesMolecular Therapy: Methods & Clinical Development
Viral copy-number (VCN) assay is a powerful, effective method to quantify toxicity, cellular kinetics, and durability of virus-modified cell therapy products. The qualification and validation of assay requires reference control.
Raymond Wu   +3 more
doaj   +1 more source

Assessing the Agreement Between Diffusion Tension Imaging (DTI) and T2-Weighted MRI Sequence for Biometry of the Fetal Corpus Callosum

open access: yesDiagnostics
Background/Objectives: Little is known about the advantages of Diffusion Tensor Imaging (DTI) when evaluating the fetal corpus callosum (CC), a sensitive indicator for normal brain development.
Liel N. Cohn   +6 more
doaj   +1 more source

Cycles of linear and semilinear mappings

open access: yes, 2012
We give a canonical form of matrices of a cycle of linear or semilinear mapping V_1 --- V_2 --- ... --- V_t --- V_1 in which all V_i are complex vector spaces, each line is an arrow ---> or
Bass   +16 more
core   +1 more source

Time, the Arrow of Time, and Quantum Mechanics

open access: yesFrontiers of Physics, 2018
It is brought forward that viable theories of the physical world that have no variable at all that can play the role of time, do not exist; some notion of time is one of the very first ingredients a candidate theory should possess.
G. ’t Hooft
semanticscholar   +1 more source

Discursive framework for a multi-disease digital health passport in Africa: a perspective

open access: yesGlobalization and Health
Africa’s dual burden of rising incidence of infectious diseases and increasing prevalence of non-communicable diseases (NCDs), such as cardiovascular diseases and diabetes, demands innovative approaches to disease surveillance, response, and cross-border
Gideon Towett   +3 more
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Work, Energy, and Efficiency of a Recurve Bow

open access: yesInternational Scholastic Journal of Science, 2023
The shooting of a recurve bow was varied in two ways, changing draw distance and string length, to determine the relationship between work done in drawing the bowstring and the resulting kinetic energy of the arrow.
Sedthasard Kasetcharoenkit   +1 more
doaj  

Home - About - Disclaimer - Privacy