Public health historian Gerald Markowitz reminds us that the problem of lead poisoning is anything but new.
There have been several recent setbacks in the relationship between the U.S. and Afghanistan.
But the effort to convince the Afghan people to turn away from the Taliban and control their own security continues amid the transition of military power from the U.S,-led coalition to the Afghans.
The BBC’s Bilal Sarwary traveled outside Kabul to gauge the effort to win hearts and minds.
Robin Young and Jeremy Hobson are hitting the road to cover the elections. Our Tumblr brings you behind the scenes.