Scientists in Vienna have achieved a major breakthrough in timekeeping by creating the world’s first self-stabilizing nuclear clock, a technology that could eventually surpass even the most precise atomic clocks. Instead of relying on electrons in atoms, the clock uses the tiny nuclei of thorium atoms, which are far less sensitive to outside disturbances.

ME/CFS affects an estimated 71 million people worldwide. With Long COVID, that number may have risen to 275 million people – roughly 1 in 30 globally – many experiencing the same debilitating sympto...