Markets work

You know what the secret of a great economy is? Markets. Why? Because voluntary trade is beneficial and welfare improving. As if you really needed to be convinced of that, here is an item that my friend Saheli from Berkeley alerted me to: free lodging in exchange for breast milk.

Markets rule. And not just in Berkeley. Everywhere.

How to be an expert

Legend has it that Arthur Rubenstein was once asked on the street for directions to Carnegie Hall. “Pardon me sir, but how do I get to Carnegie Hall?” He said, “Practice, practice, practice.”

Here’s something you may enjoy listening to. A Scientific American podcast (mp3 download ~9.5 MB) on what it takes to become an expert. Anyone can provided one puts sufficient sweat into it and does so smartly over an extended period of time. So all of you who have small children, pay special attention.

The Expert Mind and the Interplanetary Bicycle Ride

In this episode, Phil Ross talks about what scientists have learned is necessary to achieve expertise in virtually any field. Ross’s article on the subject, The Expert Mind, is in the August issue of Scientific American. And Sheldon Schafer, who sports the title of Curator of the Solar System (a huge model of the solar system centered in Peoria, Illinois) discusses the Interplanetary Bicycle Ride, coming up on August 12 and 13. Plus we’ll test your knowledge about some recent science in the news. Websites mentioned on this podcast include;; and the Scientific American Digital Archive,

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