Ramp meters will be turned on along southbound I-280 on Wednesday...Caltrans has turned on 89 ramp meters in the past year, and meters could be working on 323 more by 2016. That would nearly double the number of metered ramps in the Bay Area to 650.

- Facebook is hoping to get some likes from the Menlo Park City Council on whether to allow the social media giant to expand its campus. The council could vote Tuesday on the expansion that could let the online social network employ up to 6,600 people from its current total of about 3,500 workers.

For the first time, scientists have detected radioactivity in fish that have migrated into California waters from the ocean off Japan, where radiation contaminated the sea after explosions tore through the Fukushima nuclear reactors last year. Radioactive cesium was detected in samples of highly prized Pacific bluefin tuna, but it is well below levels considered unsafe for humans, the scientists say.

...Between 1998 and 2010, just 6 percent of the money collected from a massive lawsuit settlement and from cigarette taxes went to tobacco interdiction and education programs, the national Centers for Disease Control and Prevention reported last week, far below federal spending guidelines for effectively curbing tobacco use.

The drain of education dollars from the state's community colleges has raised the specter of campus closures or receiverships, a state college budget officer says. The comment came as the local colleges look at the uncertain fate of Gov. Jerry Brown's tax measure on the November ballot. A defeat there could become a knockout blow for some campuses that have been absorbing cuts and dipping into reserve funds over the past three years.

For more than a year, the tech world anticipated that Facebook's IPO would be a smashing success and open the door for other startups to go public. But amid shareholder lawsuits, government investigations and a stock that's still trading well below its initial offering price, those hopes appear to be fading. "Any goodwill generated by successful IPOs in early 2012 has been quickly sucked up by the Facebook debacle," said Sam Hamadeh, chief executive of New York financial analysis firm PrivCo. He notes that two smaller companies, including Dublin-based Tria Beauty, already pulled their IPOs last week citing "market conditions."

Marin Energy Authority officials say their rates will soon be more competitive with those offered by Pacific Gas and Electric Co. due to action by the state Public Utilities Commission. The authority, which consists of the county of Marin and all 11 of Marin's municipalities, is the first successful attempt in California to launch a new, public model for providing electricity to residents.

Valor. Duty. Honor. Service. Courage. Sacrifice. Those words were invoked in proud pronouncements and breaking voices as the Bay Area, in gratitude and in mourning, paid a Memorial Day tribute to the men and women who died and served in U.S. wars.