Smart Takes

The editor's corner, where the day's headlines are discussed and dissected.


You're better off in a slum than in the country

Slums may be squalid, but they're full of people trying to grab the next rung. Conditions in the countryside? Much worse.


Darpa investigates: The triggers of threat response

What actually triggers instinctive reactions to risk and danger? DARPA wants to find out.


Are nanofibers a health risk?

New research has suggested that nanofibers may prove as high a health risk as asbestos.