What is happening in Ecuador?

A live broadcast by Ecuadorean television station TC was interrupted on Tuesday by balaclava-clad gunmen, the most dramatic recent example of a renewed explosion of violence in the previously tranquil South American country. New president Daniel Noboa has pledged to hit back at

Physical Basis Found for Tiredness in Long COVID Patients: Study

Persistent fatigue in patients with long COVID has a biological cause, namely mitochondria in muscle cells that produce less energy than in healthy individuals, a study has found. Mitochondria are membrane-bound cell organelles that generate most of the chemical energy needed to

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