Savage toll of abuse for children in DCF care

Top, from left: Dontel Jeffers, 4, died in 2005; Rebecca Riley, 4, of Hull died in 2006. Bottom, from left: Jeremiah Oliver, 5, has been missing since Sept. 14 and is now feared dead; Acia Johnson, 14, and her sister Sophia, 3, died in 2008. Their cases were overseen by state workers.

State records show that children under the watch of the Department of Children and Families die with alarming regularity.

Tim Wilson (left) had both end-stage liver disease and liver cancer. Paul Hawks (right) was 56 at the time of the liver transplant at Lahey Clinic.

Donor’s death shatters family, stuns surgeons

Generosity drove Paul Hawks to donate part of his liver to his brother-in-law. Then disaster struck, and transplant medicine has had to rethink its rules.

At Putin’s Olympics, turmoil outruns the torch

Instead of basking in appreciation for achieving his Olympic goals, Russian President Vladimir Putin is on the defensive.

Dan Shaughnessy

Hype weathered, now it’s game time

This is the Super Bowl in which Al Roker has been more important than Al Michaels or Terry Bradshaw.

Martin J. Walsh says his condo could fit into the second-floor parlor of the city-owned Parkman House on Beacon Hill.

LANE TURNER/GLOBE STAFF

Boston is now Martin Walsh’s neighborhood

Walsh is finding that being mayor is a blur of decisions, distractions, and demands, but also a chance to put his mark on this old town.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/02/02/BostonGlobe.com/Metro/Images/carlos150-9477.jpg State Rep. Henriquez ponders future while in jail

Convicted of assaulting a woman, Carlos Henriquez said in an interview that he hasn’t decided whether to resign his seat.

Innovation Economy

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/02/02/BostonGlobe.com/Business/Images/kirsner-6164.jpg Making better use of parcel in Kendall Square

As Kendall Square has grown, it has become obvious that the sprawling Volpe Center campus is a void at the heart of it.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/02/02/BostonGlobe.com/HealthScience/Images/stem150-546.jpg Ignorance led to invention of stem cell technique

Dr. Charles Vacanti’s discovery is a reminder that as specialized as science is, sometimes, a little ignorance may be a virtue.

Opinion

opinion | Jay Atkinson

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/01/29/BostonGlobe.com/EditorialOpinion/Images/0128oped_krause.jpg The invisible professor

On most campuses, adjuncts are an undervalued, invisible population.

Metro

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Books

in brief

Creating a social atmosphere

How can we gauge the psychological, commercial, and political impact of social networks? Certain books have lately tried.