Ms. Sifferlin is an Opinion health and science editor and the author of the forthcoming book “The Elusive Body: Patients, ...

Sometimes holes appear in plant leaves and it's not clear why. We rounded up five common causes for this problem and tips for preventing or fixing it.

With schools in Gaza destroyed, one teacher has set up a makeshift facility in a refugee camp so children can still learn, aided by a community in Cork, writes Liz Dunphy ...