Picture a classroom in Russia on an ordinary winter morning. The heating pipes hum, a teacher writes on the board, and students shuffle in their seats. But something has changed beyond the familiar rituals of chalk and notebooks. Overhead, cameras record every movement. In their pockets, phones carry social media accounts where a careless “like” can become a permanent mark. According to a report from the Center for Countering Disinformation under Ukraine’s National Security and Defense Council, a new layer of oversight is taking shape in Russian schools—one that may extend far beyond classroom behavior and into the online lives,…

Screening for breast cancer is a deeply personal and often anxious experience for millions of women, and for those with dense breast tissue, the uncertainty can be even greater. Dense breasts, a finding on a mammogram that means there is more glandular and fibrous tissue than fat, can make it harder for a traditional mammogram to spot tumors. The tissue appears white on the image, and so do many cancers, which means suspicious lesions can hide in plain sight. Because of this, doctors often recommend supplemental screening using ultrasound to get a clearer picture. For years, the standard approach has…