S.F.’s Best Cooking Classes; Americans Don’t Know How to Lose Weight

• Regarding three of S.F.’s best cooking classes, including Thomas McNaughton’s pasta-making two-parter in the Dough Room at Flour + Water. [7x7]

• Some flowers were regenerated out of nuts that had been buried 30,000 years ago by squirrels and remained frozen. This sounds like something Rene Redzepi would use as a garnish. [Not Exactly Rocket Science/Discover Magazine]

• The “cold beer cold water” guy from Dolores Park, a.k.a. “everyone’s favorite surly bartender,” is now doing business via bicycle. [Uptown Almanac]

• Here’s a non-shocker: Americans don’t know how to lose weight; we may in fact focus on cutting calories too drastically. [NYDN]

• Wal-Mart is eyeing China, having just taken a controlling stake of Chinese online retailer Yihaodian, which sells groceries, among other things. [USAT]

• Kids, gather ye Snickers while ye may: The Obama administration is considering national rules mandating healthy food for school vending machines. [NYT]