Scientists have proposed a new method for finding tightly bound supermassive black hole pairs by searching for stars that flash repeatedly as their light is magnified by the black holes’ gravity. The timing and brightness of these bursts could provide a unique fingerprint of black holes slowly spiraling toward a future collision.
Nurse Shortage in 2026: Why Nurses Are Leaving Hospitals
Nurses remain in high demand across the United States, but burnout, understaffing and workplace violence are pushing healthcare workers away from hospital jobs.
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