Lorenzo Gritti for The Boston Globe

The promise and limits of ‘mental health first aid’

New programs are training laypeople to deal with psychological emergencies — but how much do they actually help those in crisis? By Ruth Graham

The Internationalist

Foreign policy wins Obama could still pull off

From Israel to North Korea, a guide to long shots that could leave a legacy.

Uncommon Knowledge

Clean Air Act helps boy babies make it to term

More surprising insights from the social sciences.