Corporate America is on a hiring binge for people to manage a company’s presence on Facebook, Twitter and similar sites. Once given such titles as social media wizards, ninjas and divas, they take their jobs seriously and are gaining more respect.

Twitter is an excellent tool for sharing news, keeping up with friends, and a quick laugh, but the platform is also apparently an excellent subject for mood and behavioral studies.

We’€™re in the worst economy since the Great Depression -€“ with lower-income families and kids are bearing the worst of it -€“ and what are Republicans doing? Cutting programs Americans desperately need to get through it.

The latest data shows unemployment in Massachusetts is on its way up.

In a close-up headshot, Serena Williams’€™ eyes are pressed tensely closed; her mouth is wide open, teeth bared. Her face looks enraged. Now zoom out: The tennis star is on the court, racket in hand, fist clenched in victory. She’€™s not angry.

When Virginia’s magnitude 5.8 earthquake hit last August, the first Twitter reports sent from people at the epicenter began almost instantly at 1:51 p.m. €”and reached New York about 40 seconds ahead of the quake’s first shock waves, according to calculations by the social media company SocialFlow. The flood of messages peaked at 5,500 tweets […]

You don’t have to be a science major to know that heat rises: Just step into an attic on a hot summer day. But what you might not know is that this basic scientific reality could also help create clean energy for entire cities.

As a lawyer working with small business owners, Rashmi Dyal-Chand has a big concern -€” all too often, she doesn’€™t see them until it’s too late.

Right now, armies of marketers, pollsters and social scientists are trying to figure out what Americans are thinking about – issues like global warming or Lady Gaga’s latest outfit. Surveys are only so good: It’s hard to get a big enough sample to be sure of the results. That’s particularly vexing for social scientists who […]

Twitter confirms it: People tend to wake up in a good mood and are happiest on weekends.

More than 900 Massachusetts homeowners lost their properties to foreclosure in August, the highest monthly total this year and another sign that lenders are revving up their efforts to take back properties from people who aren’t making mortgage payments.

Nahant: Tidepool and geology walks, marine research exhibits, touch tanks, tours, children’s activities, and a beach cleanup are part of the Northeastern Marine Science Center Open House. All ages are welcome. The center is ADA accessible. Saturday, 10 a.m.-3 p.m. Northeastern University Marine Science Center, 430 Nahant Rd. Free. 781-581-7370, www.northeastern.edu/marinescience.