It is crucial to learn the facts about how COVID-19 emerged to prevent future outbreaks. But China is rebuffing calls for further investigations focusing on Wuhan.

Antibiotics are facing an existential crisis less than a century after their introduction. Increased bacterial resistance is putting the world at risk of an era in which routine infections are untreatable.

As the campaigns to wrest the Islamic State from the territory it held in Iraq and Syria near completion, new conflicts may arise if old political arrangements prevail.