Saturday, 06 March 2021_A key US safety regulator said Friday initial investigations confirm metal fatigue was a factor in last month's scare when a Boeing 777 engine caught fire and rained debris on houses below.
TEHRAN, December 18 -Researchers say they've pinpointed a possible culprit in chronic fatigue syndrome (CFS), reporting that an overactive immune system might send the entire body into an overwhelming state of exhaustion.