David Robert Grimes

2 months ago | scientificamerican.com | David Robert Grimes

From Facebook to X to TikTok, today’s social media giants position themselves as bastions of free speech. Meta CEO Mark Zuckerberg now says fact-checking caused “too much censorship,” while TikTok brandishes a freedom-of-expression argument against its forced sale. Who, after all, could argue against the untrammeled freedom to speak? The answer, it transpires, might be anyone paying attention.

Mar 27, 2025 | irishtimes.com | David Robert Grimes

Five years ago today, with more than 2,000 cases of Covid-19 confirmed and the numbers doubling roughly every four days, the then taoiseach, Leo Varadkar, appealed to the public to stay home, “to make the sacrifices, not out of self-interest, but for the love of each other.”Already, the idea that Covid-19 escaped from a laboratory or was even designed in one had begun to take root and was being promoted by conservative voices online and in the media.

Feb 1, 2025 | sciencedirect.com | Wan-Yu Chen |David Robert Grimes |Abdul Basit Suleman |Szu-Huai Lu

Correlation between basal humoral immunogenicity and side effects after receiving the bivalent formulation of a mRNA-based vaccineThe authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Nov 19, 2024 | homelandsecuritynewswire.com | David Robert Grimes

MISINFORMATIONMisinformation Really Does Spread Like a Virus, Suggest Mathematical Models Drawn from EpidemiologyPublished 19 November 2024When it comes to misinformation, “going viral” appears to be more than a simple catchphrase. Scientists have found a close analogy between the spread of misinformation and the spread of viruses: how misinformation gets around can be effectively described using mathematical models designed to simulate the spread of pathogens.

Nov 14, 2024 | www1.folha.uol.com.br | David Robert Grimes

Estamos cada vez mais conscientes de como a desinformação pode influenciar eleições. Cerca de 73% dos americanos relatam ter visto notícias eleitorais enganosas, e aproximadamente metade tem dificuldades para discernir o que é verdadeiro ou falso. Quando se trata de desinformação, "tornar-se viral" parece ser mais do que uma simples frase de efeito. Cientistas descobriram uma estreita analogia entre a disseminação da desinformação e a disseminação de vírus.