As seas rise, city mulls a massive sea barrier across Boston Harbor

City officials are exploring the feasibility of building a vast sea barrier from Hull to Deer Island.

Jacquelyn Gill, an assistant professor of paleoecology at the University of Maine’s Climate Change Institute, plans to speak at Sunday’s rally in Copley Square and run for Congress.

Scientists feel compelled to speak out on Trump

Several thousand are expected to rally in Boston against what they view as the administration’s budding war on science.

This piece of new snow removal equipment was inspired by an idea from the MBTA’s Machinist Mike Haywood.

Buffeted by snow, MBTA workers found a new way forward

For Michael Haywood, it was a personal affront when state officials were flummoxed by the big winter of 2015.

The record tally of death and suffering came despite campaigns to stanch the state’s addiction crisis.

Nearly 2,000 died from opioid overdoses in Mass. last year

The main culprit appeared to be the drug fentanyl, which was present in an increasing number of deaths, even as heroin-related deaths declined.

Latest Metro headlines

2 players, fan arrested in last basketball game at Daniel Webster College

The team was playing its final home game before the Nashua college closes this year.

This day in history

Today is Sunday, Feb. 19, the 50th day of 2017. There are 315 days left in the year.

Chess notes

News from the world of chess

Amherst mourns death of influential local blogger

Larry Kelley was pronounced dead at the scene of the crash on Route 115 in Belchertown.

Water main repaired in Stoneham

The break caused flood damage and water service disruptions for homes and businesses in the area of North Street in Stoneham.

Yvonne Abraham

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Abraham is a Metro columnist. Her work appears on Thursdays and Sundays.

Kevin Cullen

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Cullen is a columnist for the Metro section who previously wrote for the Foreign desk and Spotlight team. His column appears Tuesdays and Sundays.

Thomas Farragher

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Farragher is a Globe columnist and associate editor. He spent eight years as editor of the Spotlight Team. His columns appear Wednesdays and Saturdays.

Adrian Walker

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Walker has been a columnist for the Metro section since 1998. His column appears Mondays and Fridays.

More Metro headlines

Earlier this month, prosthetist David Rotter (left) of Scheck & Siress coached Vidal Lopez before he took a walk down the hallway in his new prosthetic legs.

Amputee receives prosthetic legs with help from Boston Marathon bombing survivor’s foundation

A 19-year-old man who lost his legs in a car accident last year has received a new pair of prosthetic limbs.

Georgetown man seriously injured in NH snowmobile crash with car

Phillip Mumley, 47, is being treated for life-threatening injuries collided with a car while crossing Route 115 in Jefferson, NH

Man,75, hit and killed by train in Brockton

John Hamilton was holding a briefcase and and crossing the tracks at the Brockton station around 7:15 a.m. when he was struck by an outbound Middleborough train.

Lottery

Lottery results from Saturday drawings

Newburyport man arrested after leading police on wild chase

Stephen M. Staffiery, 48, was arrested on 16 charges, including operating under the influence of drugs and heroin possession, State Police said.

Ray Buckley has decided to support Minnesota congressman Keith Ellison to head the DNC.

N.H. official drops bid to lead Democratic National Committee

Ray Buckley said that he’ll back Representative Keith Ellison of Minnesota for the post.

Marijuana plants.

A look at when sin pays

Governments have long turned to “sin” taxes to boost revenue, and next year marijuana will be added to the slate in Mass.

Graphics that explain ‘sin tax’ revenue in Massachusetts

These graphics show how “sin taxes” factor in as a source of state revenue.

Scientists find 50,000-year-old microbes in Mexican caves

In a Mexican cave system so beautiful and hot that it is called both Fairyland and hell, scientists have discovered life trapped in crystals that could be 50,000 years old. ‘‘It’s super life,’’ said Penelope Boston, who presented the discovery Friday at the American Association for the Advancement of Science conference in Boston.

Lowell passes on sanctuary city status

The city of Lowell took a pass last week on a citizen petition that would have added Lowell to the ranks of sanctuary cities, saying that it already follows policies with the same effect. .

Ari

sunday’s child

Ari, 14, has a great sense of humor

Areil, who also goes by Ari, is a friendly 14-year-old boy who likes music, video games, computers, and Pokemon.

Bird sightings

Bird sightings from the Massachusetts Audubon Society

While the MBTA saw a marked improvement in performance during this month’s storms as compared with 2015, some commuter rail trains still saw delays.

Starts & Stops

How did the commuter rail fare through two snowstorms?

The MBTA has been taking a victory lap over the winter, but should it be?

Warm weekend promises to melt away snow left from recent storms

A breezy, balmy weekend with clear skies should melt away much of the snow left by the recent series of storms in Greater Boston.

Yvonne Abraham

No country for older men — or women

In a recently concluded case, the EEOC argued that Texas Roadhouse routinely discriminated against older job applicants.

Boston police officer hit by car Saturday morning

A Boston officer suffered non-life threatening injuries after being struck by a car Saturday morning in Mattapan, police said.

Boston police waited in the snow before the Super Bowl parade on Feb. 7.

Patrolmen’s union, city reach $68 million deal

The deal will mean an annual 2 percent increase over four years for the 1,500 members of the Boston Police Patrolmen’s Association.

This day in history

Today is Saturday, Feb. 18, the 49th day of 2017. There are 316 days left in the year.

Horoscope

Feb. 18, 2017

Two pedestrians struck, injured in Franklin

The crash happened near 110 East Central St. at about 5:43 p.m.

Woburn police arrest two ‘major drug dealers,’ chief says

Anthony Catinazzo, 37, of Woburn, and Wilmer Tejeda, 24, of Jamaica Plain were arrested for trafficking Fentanyl, police said.

Quincy bar served alcohol to minors, state says

On Thursday, investigators found 14 minors, that were mainly area college students, in possesion of alcohol at Revel Bar, Restaurand and Lounge in Quincy.

JetBlue employee arrested for cocaine distribution

Francisco Torres, 36, of Mattapan was arrested Thursday night in a sting in the South End, the US Attorney’s office said

Lottery

Lottery results from Friday drawings

Eight arrested in central Mass. prostitution sting

Troopers assigned to the High Risk Victim Unit worked five local police departments in Worcester County to carry out the operation, State Police said in a statement.

Brockton man found guilty of 2013 murder

Fanklin Kapaia,23, was wearing a GPS monitoring bracelet when he shot Eric Dillard 12 times, prosecutors said.

Money for firearms research lacking, Harvard professor tells scientists

Funding for firearms research is virtually nonexistent, a Harvard University professor said Friday.

Political Happy Hour: February 17, 2017

Political Happy Hour: BQHAMBASSADOR — Scott Brown being considered for ambassador to NEW ZEALAND! | Is Trump considering the National Guard to round up illegal immigrants? | ‘State House kept under heavy guard’ | Old news

Trump’s Florida visits put small airport in tailspin

President Trump wants small businesses to thrive, but his frequent Mar-a-Lago visits have sent some into a financial nosedive.

Massachusetts Congressman Seth Moulton.

Moulton threatened by man claiming to be police officer

Congressman Seth Moulton responded by tweeting the wide-eyed emoji at the tweet, and contacting US Capitol Police.

Three lottery winners in Berkshire County

Mass. residents from Adams, Lee, and Pittsfield each won $1 million over the past weeks.

Trump tours Boeing facility in South Carolina

Boeing says Trump is the first president to visit the facility.

Former Massachusetts Senator Scott Brown.

Scott Brown under consideration for ambassador to New Zealand

Former US senator Scott Brown is being considered for nomination as President Trump’s ambassador to New Zealand.

Scott Pruitt will run the Environmental Protection Agency.

Senate confirms Scott Pruitt as EPA administrator

Senate Republicans confirmed President Trump’s nominee to lead the Environmental Protection Agency.

Snowbank becomes accidental hero for area cyclists

An existing bike lane was fortified by plowed snow, offering up additional protection.

McConnell intends to replace Obamacare without Democrats

Senate Majority Leader McConnell says Republicans intend to overhaul health care without Democratic help.

Cabdriver injured in accident at Hyde Park auto body shop

A cab driver suffered a crushed pelvis when a worker backed a car into the shop and struck him, police said.

Modelo's Market Cafe was closed to support “One Day without Immigrants.”

Greater Boston home to 180,000 undocumented immigrants, report finds

An estimated 180,000 residents of Greater Boston are in the country illegally, according to a new Pew report.

BOSTON, MA - 2/17/2017: Boston Police Officers Injured During East Boston Shooting Incident to Meet and Thank MGH Doctors Who Saved Their Lives Boston Police Officers Richard Cintolo (center left )and Matt Morris (center right )were shot in the line of duty after confronting an armed gunman during a domestic disturbance in East Boston on October 13, 2016. In thePolice Commr William Evans presented Doctors Dr David King (left) andDr George Velmahos (far right )Boston Police badges and plaques (David L Ryan/Globe Staff Photo) SECTION: METRO TOPIC 18officers

Surgeons honored for work in saving two Boston officers

“Aren’t we lucky to have these two doctors?” Boston Police Commissioner William Evans said to a round of applause.

5 dogs die in New Hampshire house fire

Firefighters were able to rescue one of the dogs from the Hampton, N.H., fire, but the other five died.

Amtrak signal problem leads to cancellations, delays on commuter rail

The signal issue stemmed from a power loss west of Route 128.

Investigations

The Desperate and the Dead | Part 7

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/12/05/BostonGlobe.com/Metro/Images/20160923_SAMentalHealth_312.jpg The San Antonio solution

One Texas city took on mental health as a community and became a national model. Why can’t Mass. do the same?

The story behind ‘Spotlight’

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/11/18/BostonGlobe.com/Metro/Images/spotlight-9497.jpg Boston Globe coverage and the movie ‘Spotlight’

“Spotlight” is based on the stories and the reporters behind the investigation of sexual abuse in the Catholic Church.