Mark Tozer, PhD

This is a video clip of Dan Osman climbing 400 feet in 4 minutes, 25 seconds. An impressive achievement.

I have not failed 700 times. I have not failed once. I have succeeded in proving that those 700 ways will not work. When I have eliminated t...

Conflict exists whenever incompatible activities occur (Deutsch, 1973). An activity that is incompatible with another is one that prevents, ...