A collection of quotes about critical thinking that illustrate the elusive concept of cognition and metacognition.

It’s true that you’re already sitting on a goldmine of free learning and wisdom. Here’s our best life-enhancing recommendations…

There are more lessons I’ve learned, but these three were the biggest ones. I hope in some way these help you as you embark on your next project.

Because jobs, kids, and living in different cities can make it really, really hard.

But let’s not let Jevons drag us into despair. We really are moving towards a cleaner world, and energy efficiency has a big part to play in that move.