GAVNet Collaborative Curation

Normally, causal influence is assumed to go only one way-from cause to effect-and never back from the effect to the cause-the ringing of a bell does not cause the pressing of the button that triggered it. Now, researchers from the University of Oxford and the Université libre de Bruxelles have developed a theory of causality in quantum theory, according to which cause-effect relations can sometimes form cycles. This theory offers a novel understanding of exotic processes in which events do not have a definite causal order. The study has been published in Nature Communications.

One Russian city offers a glimpse of the country's increasingly Muslim and non-Slavic future

"Risk of eternal lockdown. Hard questions need to be asked.. It's essential that we don't enter a semi-permanent state of emergency laws & basic rights switched on/off by the govt at will and without democratic scrutiny.. We cannot be locked down forever."

Emissions of puzzling compounds continue to rise, apparently from factories in East Asia.

We think government lockdowns cause substantial collateral health damage. For example, hospital admissions in the USA for emergency treatment of acute ischaemic strokes have been substantially lower in February-March, 2020, than in February-March, 2019, resulting in delayed treatment.1 Compared with a historical baseline, UK nursing homes and hospices saw an increase in the number of deaths between February and June, 2020, associated with acute coronary syndrome (a 41% increase), stroke (a 39% increase), and heart failure (a 25% increase).2

A new machine-learning framework uses reported test results and death rates to calculate estimates of the actual number of current COVID-19 infections within all 50 U.S. states and 50 countries. Jungsik Noh and Gaudenz Danuser of the University of Texas Southwestern Medical Center present these findings in the open-access journal PLOS ONE on February 8,

A large team of researchers working with Google Inc. and affiliated with a host of institutions in the U.S., one in Germany and one in the Netherlands has implemented a quantum approximate optimization algorithm (QAOA) on a 53-qubit noisy intermediate-scale quantum (NISQ) device. In their paper published in the journal Nature Physics,, the group describes their method of studying the performance of their QAOA on Google's Sycamore superconducting 53-qubit quantum processor and what they learned from it. Boaz Barak with Harvard University has published a News & Views piece on the work done by the team in the same journal issue.

High levels of gambling are associated with a 37% increase in mortality, according to a new study, which reveals that the top 1% of gamblers surveyed spent 58% of their income and one in ten are spending 8% on the habit. Published today [4 Feb] in Nature Human Behavior, the study led by Dr. Naomi Muggleton, of Oxford's Department of Social Policy and Intervention, highlights the financial damage, negative lifestyles and health of gamblers, who can move from 'social' to high-level gambling in months.

This paper examines an optimal design for guaranteed income in the real-world national context, considering how a new cash transfer policy can be designed, and how it could best pair with or replace existing social safety net programs.

One of the most striking developments during the early months of the pandemic was the way state competition quickly took over. Always heralded as a textbook case of the need for global cooperation, pandemics turned out to be prime examples of global competition, albeit in an indirect and gamified version.