Teachers can help students build their capacity to stay on task by ensuring that they have a clear path to start working, reasons to continue, and support when they lose focus.

At a number of companies, employees compete on leaderboards to show how much A.I. they’re using. They’re racking up big bills along the way.

Long-term lithium therapy remains the most effective maintenance treatment for bipolar disorder, yet it poses a significant risk of progressive renal impairment in a subset of patients. Early ...