So there's another interesting thing that comes from this realization that humans have a recent common origin in Africa, and that is that when those humans emerged around 100, 000 years ago or so, they were not alone on the planet.

Misha Glenny: Anonymous, ladies and gentlemen -- a sophisticated group of politically motivated hackers who have emerged in 2011.

And that when being vulnerable emerged from my data, as absolutely essential to whole-hearted living, I told these 500 people that I had a breakdown.

When the coast was clear, I emerged, crept into the classroom, and took from my teacher's desk the grade book.