The company said it was fighting Russian efforts to hijack real users’ accounts to post fake content, an apparently novel tactic.

The science writing field has experienced profound challenges over the past several years, including multiple waves of layoffs, publications shutting down, and attacks on freedom of speech. Join us for the upcoming, free #SciWriRoundtable webinar “Navigating professional grief and moral distress in the polycrisis: Lessons from climate psychology” scheduled for Tuesday, August 18, at 1 p.m. Eastern.

A personalized mRNA cancer vaccine succeeded in a late-stage melanoma study, results that could herald a new, powerful approach in oncology.

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ALT: Women's Energetic Party Reaction

Every case the Supreme Court is asked to hear, what it asks, and the odds it is granted — rebuilt three times a day from the Court's own docket.

Phase I results show early promise for a vaccine designed to prevent pancreatic cancer in people at high risk of developing the disease.