Israeli barbershops and some other businesses reopened Sunday as the country began easing its third coronavirus lockdown amid an aggressive vaccination campaign. The government had announced Friday it was lifting some restrictions imposed since December, when the country saw a rise in COVID-19 infections. Jerusalem barber Eli Aroas was among those re-opening on Sunday morning, […]
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Separated entry and exit doors for calcium keep energy production smooth in the powerhouses of heart cells
Stress demands the heart to work harder and faster. To keep pace, the muscle must make its fuel at an accelerated rate. Bursts of calcium entering mitochondria—the cell’s powerhouses—normally help control energy output, but too much calcium can overload the system and lead to cell death. Now research led by Jefferson (Philadelphia University + Thomas […]