MIT

From Seed:

In mathematician Steven Strogatz’s recent book, friendship and integrals collide, yielding a math story of unusual poignancy.

Conventional gasoline engines are terribly inefficient things. Only 13% of the energy of the fuel actually moves the car. 62% is lost in the engine as waste heat, and driveline losses, accessories, and idling also reduce the efficiency.

The national broadband plan that the Federal Communications Commission submits to Congress later this month is now expected to cost up to $25 billion. But since the nation's lawmakers are looking for ways to reduce the national debt, the FCC is seeking ways to offset the cost through spectrum auctions and other measures.

Spencer Michels at the website of the PBS Newshour:

Justin E. H. Smith

A Glimpse Into The Work of Pina Bausch

We've seen several bike-related concepts in the past few weeks. If, in fact, alternative transportation is on the rise, bikes will become a larger part of our transportation mix. To be really effective and to find wide acceptance, these three may help make bikes more of an option.
Copenhagen Wheel

Over the past week, Facebook has been nudging its users -- first gently, then firmly -- to review and update their privacy settings.

You may have procrastinated by hitting "skip for now," but Facebook eventually took away that button and forced you to update your settings before continuing to use the site.

After finally accepting Facebook's recommendations or tweaking the privacy settings yourself, though, you might have made more information about you public than what you had intended.