Scientists identify a specific gene variant that doubles dementia risk in older men, suggesting the potential for targeted testing and personalized prevention.
President Trump threatens Putin with 100% tariffs if no Ukraine peace deal is reached within 50 days, while confirming arms sales to NATO to support Ukrainian resistance.
Stanford University faces legal action from an Israeli scientist claiming a hostile work environment, falsified research, and fabricated allegations based on his Jewish identity.
Democratic nominee for New York City mayor Zohran Mamdani was pulled offstage by a campaign staffer as he tried to answer more reporter questions following an endorsement event.