An extraordinary Stradivarius violin will be treated with nanotechnology to preserve it in the future. This is what the orchestra director Mauro Ivano Benaglia proposes, who plays the instruments of the famous Cremonese luthier during his concerts. The research was started in the laboratories of a company based in Milan called "4ward360". 4ward360...

Florencia Rastelli was mortified. As an expert barista, she had never spilled a single cup of coffee, she said. But last Monday, as she wiped the counter at Chiave di Bacco, the cafe where she works, she knocked over a glass and it shattered loudly on the floor. The customers all stood still, petrified, Ms. Rastelli recalled. “I was like: Of all da...