Headlines

Scientists just shattered a major exercise myth

New research from Australia overturns the old idea that exercise “uses up” heartbeats. It shows that fitter people actually use fewer total heartbeats each day thanks to their lower resting heart rates, even when accounting for workouts. Athletes’ hearts beat around 10% less

Too much screen time may be hurting kids’ hearts

More screen time among children and teens is linked to higher risks of heart and metabolic problems, particularly when combined with insufficient sleep. Danish researchers discovered a measurable rise in cardiometabolic risk scores and a metabolic “fingerprint” in frequent

This tiny bat hunts like a lion, but better

Fringe-lipped bats from Panama hunt like miniature lions, using a “hang-and-wait” strategy to capture large, energy-rich prey. High-tech biologging revealed they spend most of their time conserving energy and strike with remarkable accuracy. With success rates around 50%, they