It seems impossible to contract post-traumatic stress disorder from trauma you did not experience. But the presence of PTSD in soldiers’ family members means we haven't fully understood the nature of PTSD.

With vocalist Shirley Ma'am, every question led to more questions. Where did she come from? And what was that device strapped to her neck?

The Internet may have battered book sales, but it hasn’t killed reading—far from it. Today we read more, and in more ways, than ever, and this is thanks to all the book-killing culprits.