This image from video provided by Johns Hopkins University in March 2026 shows a digital twin of a heart belonging to a patient with an irregular heartbeat being used to simulate treatment approaches. (Johns Hopkins University via AP)
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- U.S: Artemis II astronauts bound for moon after rocketing away on NASA's first lunar voyage in decades
- World: Attacks persist on Iran and across the Mideast as Trump threatens escalation
- Politics: What to watch as Trump addresses the nation about the Iran war
- Sports: Baltimore's Samuel Basallo makes MLB's first game-ending robo-ump challenge
- Showbiz: Megan Thee Stallion takes 2 Broadway shows off after illness during 'Moulin Rouge!'
- Money: Retail sales rose in February before the Iran war, which threatens to derail spending
- Tech: Mamdani puts New York City government back on TikTok
- Science: Artemis II astronauts bound for moon after rocketing away on NASA's first lunar voyage in decades
- Health: CDC pauses dozens of types of lab testing during evaluation and in wake of downsizing