Pompeu Fabra University

Acne is an annoying part of pretty much everyone’s lives, and in some cases can get serious. Now, scientists have demonstrated an intriguing new way to fight it, by engineering bacteria that live on the skin to produce proteins found in acne drugs.

If you're training to be a concert violinist, you don't want your technique to be merely "good enough." A new computer system may soon be able to help, as it uses artificial intelligence (AI) to identify a user's bow technique, and could perhaps even tell them how to improve their performance.