Margaret Heffernan

The cell phone has become the adult's transitional object, replacing the toddler's teddy bear for comfort and a sense of belonging.

If we aren't going to be afraid of conflict, we have to see it as thinking.

Huge open source organizations like Red Hat and Mozilla manage the collaboration of hundreds of people who don't know one another and have spent no time hanging around the water cooler.

In my 20 years as a photographer, covering conflicts from Bosnia to Gaza to Iraq to Afghanistan, injured civilians and soldiers have passed through my life many times.

Political differences will always generate a healthy debate, but over time the dialogue has become more hateful and at times violent.

The argument about zoning and the presidency of Nigeria is like the philosophical argument of the egg or the hen. Who is older through the evolutionary process, who came first?