Dolphin strandings remain a mystery

Vincent DeWitt for the Boston Globe

Researchers are gathering a mountain of data on the 178 dolphins, but the reason for their strandings on Cape Cod remains a mystery.

Opinion | Brian McGrory

Politics as usual

As questions of ethics touch Patrick’s administration these past few months, the governor has coiled into a ball of sanctimony and denial.

Senator Scott Brown, a Republican, has a 9-point lead over Elizabeth Warren, a Democrat, in a new poll of 600 people.

In new poll, Brown leads Warren

Scott Brown holds a nine-point lead over Elizabeth Warren, his likely Democratic opponent in November.

Risking union ire, Romney slams Santorum’s labor votes

Mitt Romney is attacking Rick Santorum for his “unapologetic defense of big labor,’’ as part of a new attempt to paint his rival as beholden to a powerful Democratic ally.

Jeremy Lin: From Harvard to NBA stardom

Undrafted two years ago, despite being the best Ivy League player, the Chinese-American Lin has become a global idol.

NEW YORK, NY - FEBRUARY 15: Jeremy Lin #17 of the New York Knicks drives past Isaiah Thomas #22 of the Sacramento Kings at Madison Square Garden on February 15, 2012 in New York City. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Chris Trotman/Getty Images)

Chris Trotman/Getty Images

Harvard graduate Jeremy Lin, right, is a rising star in the NBA. His sudden popularity as a New York Knicks player has spawned a new name for the craze surrounding him: Linsanity.

FILE - In this Jan. 7, 2009, file photo, Harvard's Jeremy Lin (4) drives for the basket in front of Boston College's Rakim Sanders during the first half of an NCAA college basketball game in Boston. Lin's February 2012 success with the New York Knicks has raised the profile of the school, a member of the Ivy League where few players reach the pros. (AP Photo/Michael Dwyer, File)

Michael Dwyer/AP file photo/2009

In this 2009 photo, Lin drove for the basket in front of BC's Rakim Sanders.

In this 2010 file photo, Lin played against Princeton.

Greg M. Cooper/Globe File Photo/2010

In this 2010 photo, Lin played against Princeton. Lin came out of Harvard undrafted despite being the Ivy League’s best player.

NEW YORK, NY - FEBRUARY 15: Jeremy Lin #17 of the New York Knicks looks on against the Sacramento Kings at Madison Square Garden on February 15, 2012 in New York City. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Chris Trotman/Getty Images)

Chris Trotman/Getty Images

A month ago, Lin was in the Development League, the NBA’s minor league. He has played just nine games this season, but his start has been explosive.

Lin’s No. 17 Knicks jerseys have been flying off the shelves.

Brendan McDermid/Reuters

Lin’s No. 17 New York Knicks jerseys have been flying off the shelves.

Lin isn’t the first Asian-American to play in the NBA, but he’s the first to make this kind of impact. Here, a man checked out a Linsanity jersey.

Brendan McDermid/REUTERS

Lin isn’t the first Asian-American to play in the NBA, but he’s the first to make this kind of impact. Here, a man checked out a Linsanity jersey.

Warm winter earns rink a cold reception

Gavin Peters’ ice rink became the talk of the backyard hockey world when it was cited as a pool by the Cambridge city inspector.

Drug-delivery chip implant shows promise

Scientists reported that a small number of osteoporosis patients are using the chips, which are programmed to release a potent drug through tiny sealed wells.

In Anthony Shadid, a powerful meeting of reporter and assignment

Globe reporter Glen Johnson offers his memories of reporter Anthony Shadid, who died yesterday.

“I don’t think that Jeremy Lin — if he succeeds — is the face of the New York Knicks. I think he’s the face of the NBA. He’s even the face of professional sports.”

Ronn Torossian, PR  executive

Globe Insiders

Video

http://c.o0bg.com/rf/image_90x90/Boston/2011-2020/2012/01/29/BostonGlobe.com/Tools/Images/rudick_2--90x90.jpg Globe Insiders video: The Back Story

The Back Story is a new video series where Globe journalists tell the stories behind their stories. Exclusively on BostonGlobe.com, it is hosted by photographer and multimedia journalist Dina Rudick.

Metro

Tags in this section:

Emotional start for trial in deaths of 4

The Mattapan trial began yesterday with a preview of legal strategies and emotional arguments that drove the victims’ relatives to flee the courtroom, sobbing.

Nation & World

Tags in this section:

Politics

Political notebook

Santorum’s income in 2011 rose to $3.6m

Rick Santorum’s personal finances detail the trajectory of a politician who became a millionaire, at times by capitalizing on his Beltway connections.

Sports

Tags in this section:

Bulls 89, Celtics 80

Kevin Garnett and the Celtics couldn’t overcome Carlos Boozer and the Bulls.

Celtics fall apart in loss to Bulls

Boston could not hold a fourth-quarter lead and allowed the Bulls to run off 12 consecutive points late in the defeat.

Movies

Tags in this section:

MOVIE REVIEW

‘This Means War’ a losing battle for Reese Witherspoon

This romantic comedy mixes other movies, television action shows, sitcoms, and comic strips, and features another terrible role for the Oscar-winning actress.