Six Boston area mayors and city managers announced the formation of the Greater Boston Regional Economic Compact on Wednesday, an effort to facilitate regional problem-solving among Cambridge, Somerville, Boston, Braintree, Chelsea and Quincy.

The Anna’s Taqueria chain has been hosting its charitable “Celebrity Roller Series” since January, but on Monday it takes place in Cambridge, benefiting cancer research in Kendall Square.

City Council candidate Dennis Benzan wants to bridge city neighborhoods and the private sector, launching symposia on science, technology, engineering, arts and math education and run citywide job and career fairs.

The executive committee of the Cambridge Residents Alliance writes to thank the residents who participated in efforts to limit the size of the proposed Forest City biolab building.

The search is under way for a site to hold 25 units of affordable housing in trade for the ability to build near Central Square, said Peter Calkins, executive vice president and chief operating officer for the developer Forest City.

Developer Forest City’s plan for a giant lab and office building was back Thursday with some people-pleasing tweaks, including a promise to build 25 units of affordable housing and commitment to locally owned, affordable retail. But the changes weren’t pleasing enough for councillors or residents.

The pretense that Biogen Idec’s return to Cambridge was threatened by a cafeteria zoning requirement was abandoned Wednesday, replaced by the argument that the zoning was made irrelevant by changes in Kendall Square and poorly thought out in the first place.

The bid to build a giant office and laboratory building near Central Square for Millennium Pharmaceuticals returned to the City Council on Monday with 168 units of affordable housing proposed to be preserved and 20 to be built, even as another 820 affordable-housing apartments are set to expire in roughly the next seven years.

Forest City Enterprises said today it is refiling a petition to build an office and laboratory building at 300 Massachusetts Ave. near Central Square, again for use by the pharmaceutical manufacturer Millennium Pharmaceuticals.

Two Cambridge life sciences companies are having a good day: Aveo with a potential treatment for victims of kidney cancer and Ironwood for the right to market its Irritable Bowel Syndrome treatment Constella in the European Union.