Blog 110. Climate in one picture

The present temperature is not the key index to predicting the future climate any more than the current temperature in a cold room tells how warm it will be if you add insulation to the walls.  It’s knowing the insulation that’s important for prediction. Below is a drawing that explains earth’s energy budget—as affected by the insulation of the atmosphere— in one glance. Continue reading

Blog 85. Should scientists become advocates?

Scientists are committed to tell the truth, as best they can from the measurements they make in the physical world.  But you can’t apply a scientific statement, however true, to just any situation.  Continue reading

Blog 64. New rigor in education?

New research in education actually looks not only at test scores, but uses technologies of videos and eyeball-detection hardware to compile data on when kids pay attention and how learning takes place. But there are also other, more political, movements to reform public education. Continue reading