Quantum computing tech keeps edging forward

IBM follows through on its June promises, plus more trapped ion news. The end of the year is usually a busy time in the quantum computing arena, as companies often try to announce that they’ve reached major milestones before the year wraps up. This year has been no exception.…

Corals survived past climate changes by retreating to the deeps

A recent die-off in Florida puts the spotlight on corals’ survival strategies. Scientists have found that the 2023 marine heat wave caused “functional extinction” of two Acropora reef-building coral species living in the Florida Reef, which stretches from the Dry Tortugas National Park to Miami. “At this point, we…

Runaway black hole mergers may have built supermassive black holes

Early superdense star clusters may have planted seeds for monster black holes. A new simulation could help solve one of astronomy’s longstanding mysteries—how supermassive black holes formed so rapidly—along with a new one: What are the James Webb Space Telescope’s (JWST) “little red dots?” Invisible leviathans lurk at the…