Testosterone and Cognitive Function

Finding one article on pre-natal exposure to testosterone and giftedness, I figured that this was probably only one paper showing a tentative connection. Then I found all of the other papers. Martin Mrazik, Stefan Dombrowski. The Neurobiological Foundations of...

Economic Notes On Manufacturing

The US has been shedding manufacturing jobs since about 2000. ( Not 1970 as many people believe . )    But, a capital spending report for the same period shows that capital spending has not dropped:   Furthermore, manufacturing revenue has been climbing over the...

Positive commands

Here’s a good example of how to turn a negative into a positive. Much more poetic than ” keep out”. Posted via email from Eric’s...

Kid Powered Teacup

This teacup in the children’s playground in Golden Gate Park accelerates when you sit in it. I’m not sure how it works, but I suspect it has a screw, a ratchet and a spring to lift it up, but it doesn’t obviously screw downward under weight. Posted...