For women with dense breast tissue, a mammogram can be an imperfect screen. Dense tissue can hide cancers, and it also raises the risk of developing breast cancer, so many women are offered supplemental ultrasound after a normal mammogram. But until recently, it wasn’t entirely clear whether the two main ultrasound approaches—automated breast ultrasound, or ABUS, and the more traditional handheld ultrasound, or HHUS—perform differently in the real world. A large observational study published in the Journal of the American College of Radiology set out to compare them directly, and the results offer meaningful reassurance for patients and nurses alike.…

On October 15, a report released by the Indian Defence Research Wing pulled back the curtain on a covert and growing campaign of digital manipulation aimed at India. According to the report, more than five thousand social media accounts were created in just a fortnight, not by random mischief-makers but as part of a coordinated effort that Indian intelligence officials have linked to Pakistan’s Inter-Services Intelligence, or ISI. The battlefield is not a disputed mountain or a border outpost; it is the online feed of millions of ordinary Indians, many of them young, many of them already anxious about issues…