President Donald Trump says he’s taking over Washington’s police department and activating 800 members of the National Guard in the hopes of reducing crime, even as city officials stressed crime ...

In three-phase three-level neutral point clamped converter, keeping neutral point voltage balance is essential for stable operation. The common balance methods typically need two voltage sensors to ...

Mitochondrial diseases, caused by mutations in nuclear or mitochondrial DNA (mtDNA), have limited treatment options. For mtDNA mutations, reducing the mutant-to-wild-type mtDNA ratio (heteroplasmy ...