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When my lab studied the online activism around #BlackLivesMatter, the conspiracy theories that crop up after crises, and the Syrian conflict, we uncovered disinformation campaigns promoting multiple, often conflicting, views. On a tactical level, disinformation campaigns do have specific aims - spreading conspiracy theories claiming that the FBI staged a mass-shooting event, say, or discouraging African Americans from voting in 2016. Disinformation campaigns attack us where we are most vulnerable, at the heart of our value systems, around societal values such as freedom of speech and the goals of social-media platforms such as 'bringing people together'.

The scientific community should agree on the essential information to be provided when pulling a paper from the scientific literature. The scientific community should agree on the essential information to be provided when pulling a paper from the scientific literature. \"Retractions are not intrinsically bad: they are a practical way to correct for human fallibility.\"

Taking into account all known factors, the planet warmed 0.2 °C more last year than climate scientists expected. More and better data are urgently needed. Taking into account all known factors, the planet warmed 0.2 °C more last year than climate scientists expected. More and better data are urgently needed.

Law enforcement, marketers, hospitals and other bodies apply artificial intelligence (AI) to decide on matters such as who is profiled as a criminal, who is likely to buy what product at what price, who gets medical treatment and who gets hired. In the hands of exploitative companies or oppressive law enforcement, a more accurate facial recognition system is harmful. Other researchers are explaining to the public how natural resources, data and human labour are extracted to create AI.

AI algorithms used for diagnosis and prognosis must be explainable and must not rely on a black box.

First-of-its-kind US bill would address the environmental costs of the technology, but there’s a long way to go. First-of-its-kind US bill would address the environmental costs of the technology, but there’s a long way to go.

Colonial relationships with Indigenous land and knowledge in geoscience disciplines must be acknowledged to address harm and change how science is done, argues Max Liboiron.

Russia’s war highlights the fragility of the global food supply — sustained investment is needed to feed the world in a changing climate. Russia’s war highlights the fragility of the global food supply — sustained investment is needed to feed the world in a changing climate.

Institutions and individuals from low- and middle-income countries are wasting time, effort and money trying to get visas for research travel, only to be rejected. A new approach is needed. Institutions and individuals from low- and middle-income countries are wasting time, effort and money trying to get visas for research travel, only to be rejected. A new approach is needed.

Dorothy Bishop describes how threats to reproducibility, recognized but unaddressed for decades, might finally be brought under control. Dorothy Bishop describes how threats to reproducibility, recognized but unaddressed for decades, might finally be brought under control. “Many researchers persist in working in a way guaranteed not to deliver meaningful results.”