A special kind of crystal, made from both organic and inorganic parts, can change how it interacts with light when squeezed. Scientists usually expect that squeezing such materials will weaken their ability to produce a second‑harmonic signal, a process where incoming light doubles its frequency. Th
A recent trial in Brazil explored whether two familiar medicines could ease the persistent tiredness that follows a COVID infection. The study focused on fluvoxamine, an inexpensive antidepressant, and metformin, a common diabetes drug. Researchers randomly assigned nearly 400 adults—each with fatig
The world of fame is turning into a tightrope walk between speaking out and staying silent. In the past, actors would be criticized for making bold statements that offended or divided people. Now they also face backlash simply for not voicing an opinion on hot topics, a new pressure that feels
A fresh look at how modern gadgets might be hurting our bodies and what old Hebrew ideas could help. The main idea is that doctors often treat only the symptoms, not what really causes illness. It points out that Wi‑Fi, 5G and other smart devices send invisible waves that can upset the body’s
A U. S. federal judge recently stepped in to stop new Pentagon rules that could tag reporters as security threats for seeking information outside official channels. The rules, introduced last year, let officials revoke press passes if journalists talk to military staff about anything not cleared for
The number of young women dying from high blood pressure has more than quadrupled over the last twenty years, a new study shows. In 2023, nearly five women out of every hundred thousand in the 25‑to‑44 age group lost their lives to heart disease caused by high blood pressure, compared with just one
The number of young people in their late teens and early twenties who feel depressed or anxious is climbing fast. At the same time, more of them are spending hours on social media sites. Scientists do not yet know whether these platforms help or hurt their mental well‑being, leaving a big gap
The federal district court in Washington recently overturned subpoenas issued by the former Trump administration to Federal Reserve Chair Jerome Powell. Judge James Boasberg decided that the subpoenas were not just a procedural nuisance; they were an attempt to influence Powell’s policy decisions
The Cuisinart Grind, Tamp and Brew sits in the middle of espresso prices. It costs $649, a price that puts it next to Breville and De’Longhi. Yet its look is more like a cheap Casabre or Gevi. People who dislike Breville and De’Longhi may be tempted. But the machine looks bulky, plasticy,
A federal judge recently stopped prosecutors from asking for documents tied to renovations at the U. S. Federal Reserve’s headquarters. The judge also blocked requests for testimony from Fed Chair Jerome Powell about those expenses. The judge argued there was little proof of wrongdoing but plenty of
