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.

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.

Savage toll of abuse for children in DCF care

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

Russian President Vladimir Putin has put much of his personal prestige on the line with the Sochi games.

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.

//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.

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.

Though his credentials are secure, Peyton Manning (left) still pushes himself. Russell Wilson extends plays better than any quarterback in the NFL.

Peyton Manning, Russell Wilson succeed in different ways

Manning and Wilson led the Broncos and Seahawks to the championship game, and on the surface, they are a classic odd couple.

art

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/01/27/BostonGlobe.com/Arts/Images/02.WaterLilies_ClaudeMonet.jpg MFA set to open its first crowdsourced exhibit

At the Museum of Fine Arts Boston, curators for the impressionist gallery invited members of the public to go online and vote for their favorite paintings.

ideas

Sorry, dolphins aren’t uniquely intelligent

The trouble with believing in the special smarts of one charming animal.

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.

Sports

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Super Bowl XLVIII | 6:30 p.m. (Fox)

 Peyton Manning (left) and Russell Wilson have met before, but this time it will be on the NFL’s biggest stage (AP Photo/John Froschauer, File)

Keys to victory for Broncos, Seahawks

The Globe’s Jim McBride takes an in-depth look at how Seattle and Denver match up for Sunday’s big game.

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.