Gayle Tzemach Lemmon

In Tunisia, where women have long enjoyed greater rights than many of their Arab neighbors, women pushed for and won a new electoral code that guarantees women will make up half of a candidates' list for office.

War reporters are often seen as a wild bunch of thrill-seekers who wade into danger zones simply for the sake of the adrenalin high the settings inevitably provide. But this one-dimensional explanation leaves out the core of the story, which is that reporters go to these places because they feel the tug of responsibility.

Now, when you get a viral infection, what normally happens is it takes days or weeks for your body to fight back at full strength, and that might be too late. When you're pre-immunized, what happens is you have forces in your body pre-trained to recognize and defeat specific foes. So that's really how vaccines work.