Blog 115. Is STEM best for education?

Is a STEM program the best guide for improving our schools?  STEM—the teaching of Science, Technology, Engineering, and Mathematics—is advertised as “innovative learning,” and “the future of the economy.”  That’s what you see when you type <STEM education> into a Google search. Continue reading

Blog 113. Information, misinformation and survival

Scientific news magazines now feature articles that reach out, not only to scientists, but to the educated public.  The journal Physics Today, once of interest only to physicists, now has a section entitled People and History.  How come? Continue reading

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