So, though working full-time as a planetary scientist, Mr Shoemaker taught himself astronomy, and in 1973 began a regular scan of the skies.

ECONOMIST: Gene Shoemaker

Almost as often as not, I now follow up my semi-regular scan of ESPN.com with a visit to Deadspin, for counterprogramming: the news and the dish.

NEWYORKER: Search and Destroy

This regular scan suggests that lightening up on Coca-Cola ( KO) is wise with the stock near technically overbought levels, but also uncovers two promising buys on future pullbacks.

FORBES: The 10 Most Overbought Dow Stocks

In addition, the good people at Kaiser Family Foundation provide regular updates and a roundup of the news in health care on The Scan.

FORBES: What Is The Truth About Health Care Reform?