My work over the last decade has grappled with one central question. Could attachment security be getting compromised at schools with high turnover? Attachme...

Many of you have been calling for this for years. It was on my list, but the research got priority. Safe Passage can now be bought far more easily, and in an...

I close my eyes and think back to the first time I gave her the wheel. It seemed then I had just changed her diaper in the middle of the night, but now, in ...

SPASIS explains my flight to Vietnam: the Safe Passage Attachment Study at International Schools. But don't worry: swallows fly home, and I'm looking forwar...

I've been silent on social media for years. The privacy scandals of the last few years provided an excuse to go off grid. I grabbed the chance, and disappear...

This article was published in translated form in the Dutch edition of Runner's World, January 2017. Ever noticed it's easier to run intervals with a group, r...

Marianna Pogosyan, Ph.D, recently integrated some of my ideas in a great article in the online version of this leading magazine. Click here to read it. #chi...

Have you ever wondered how your kids know exactly what to do to drive you nuts? As if they know precisely where your “buttons” are, and how to find the ones...

The real world gets reflected in our maps of the real world, not the other way around. Right? Simply putting something on a map won’t make it appear in the...

I wrote this story after running the Rotterdam Marathon in 2016, my twelfth marathon. If you're a runner—but especially if you're not—this post will put you ...

I have two jobs. One I worked for. The other was given. These jobs look like different coin faces. To me they’re inseparable. I’m the coin, minted by life. T...

​ We see each other in the distance, but we act like we don’t. We just keep walking, gradually approaching one another. After all, we don’t know each other. ...

Writing a book is hard. People warned that the publication process is harder. They were right. Strangely, blogging in my mind seems the hardest. What is “blo...