How much marijuana is too much for drivers?

Massachusetts does not have a law to define impaired driving from marijuana, and the topic results in disagreement among scientists.

Shannon Courtney, 14, of Auburn, placed a pinwheel at a makeshift memorial where Officer Ronald Tarentino was killed.

Jessica Rinaldi/Globe Staff

Auburn officer recalled for his spirit: ?Everybody loved him?

A day after Ronald Tarentino was killed during a traffic stop, many in his hometown struggled to make sense of the loss.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/23/BostonGlobe.com/Metro/Images/24auburn14.jpg Man suspected of killing officer fired from inside closet

A new statement outlines details of the final confrontation between police and Jorge Zambrano, who was fatally shot in an exchange of gunfire.

KEVIN CULLEN

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/23/BostonGlobe.com/Metro/Images/cop150-11044.jpg The most dangerous moment for police

There?s nothing more perilous than that space where a cop doesn?t know what he has and a criminal has decided he?s not going back to prison.

Dudley paves way for possible halt to Muslim cemetery bid

Town Meeting members voted to allow the town to buy 56 acres being sought for the burial ground.

Legislature poised to pass public records measure

The bill would allow judges to make the state, cities, and towns pay lawyers? fees if a court found they withheld public records.

MICHAEL A. COHEN

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/23/BostonGlobe.com/EditorialOpinion/Images/cohen.jpg Still panicked about Trump? Don?t be

The latest polls show Trump and Clinton running neck-and-neck, but don?t believe the hype.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/24/BostonGlobe.com/Politics/Images/fafc7376ef4c4a7d8d4283c04b06c153-fafc7376ef4c4a7d8d4283c04b06c153-0.jpg Trump revives controversies around Bill Clinton

Donald Trump is reviving some of the ugliest political chapters of the 1990s with escalating personal attacks.

Missing Boston College student found safe near Newton pond

Dana Morrissey was found near Hammond Pond after missing her graduation, officials said Monday.

A Book club member shows their group picture on her phone to a reporter during a meeting in Watkinsville, Ga., Tuesday, May 10, 2016. New England Patriots new wide receiver Malcolm Mitchell is the sole male member of the club, however did not attend the meeting. (handout)

courtesy silverleaf book club

Patriots draft pick Malcolm Mitchell is open to the written word

Mitchell asked to join a book club of women in their 40s, 50s, and 60s, and he?s been all in ever since.

NEW ORLEANS, LA - AUGUST 22: Tom Brady #12 of the New England Patriots walks to the locker room prior to a preseason game against the New Orleans Saints at the Mercedes-Benz Superdome on August 22, 2015 in New Orleans, Louisiana. (Photo by Stacy Revere/Getty Images)

BEN VOLIN | ON FOOTBALL

Tom Brady fights on, asking Second Circuit for rehearing

Brady has a high-powered legal team, but they appear to be waging an uphill battle.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/08/22/BostonGlobe.com/Sports/Images/tlumacki_bcfootball_sports030.jpg Troy Flutie charged with DUI

The Boston College player has been suspended from the football team pending further investigation.

Brian Ernst, a conductor on the Newburyport/Rockport Line, waited for passengers to board the train at the Swampscott commuter rail station Monday.

Dina Rudick/Globe Staff

Commuter rail schedule switch goes as well as you?d expect

Neither officials nor the region?s commuters expected the MBTA?s switch in train schedules to go perfectly.

Bobby Garnett ran Bobby From Boston, a vintage clothing shop, for two decades in the South End. He died Thursday.

obituary

Bobby Garnett?s store gave movie characters vintage look

Garnett was the proprietor of Bobby From Boston, a South End vintage clothing store that was a hip destination for those seeking a slice of the past.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/23/BostonGlobe.com/Special/Images/handstandthink.jpg 15 perfect summer days for 15 Cape Cod towns

Here is a handy, alphabetical guide for the spring and summer, whether you want to bike, bum around, or beach it.

DAN SHAUGHNESSY

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/23/BostonGlobe.com/Sports/Images/shaughnessy%20(2)-9782.png David Ortiz?s age-defying feats are extraordinary

At this rate, Ortiz could wind up in the rarefied company of Ruth and Gehrig in extra-base hits.

Thanks to smartphones and tablets, US data use has doubled in a year.

Americans are using a whopping amount of data these days

We used nearly 1 trillion gigabytes of mobile data last year, more than double from the year before.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/24/BostonGlobe.com/Business/Images/AFP_A17NV.jpg The IRS could be losing billions from platforms like Airbnb

Many on-demand platforms don?t withhold taxes, and more than two-thirds of those who earned income never received an earnings statement.

Elsa, voiced by Idina Menzel, from the film ?Frozen.?

Should Elsa from ?Frozen? get a girlfriend? Idina Menzel weighs in

In ?Frozen,? the ice queen Elsa didn?t have a love interest. But for the sequel, what about writing her a girlfriend?

Opinion & Ideas

EDITORIAL

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/23/BostonGlobe.com/EditorialOpinion/Advance/Images/0524birth.jpg Adoptees have a right to access their identity

Change the law that prevents some adoptees from being able to obtain a copy of their original birth certificate with seeking a court order.

Life sciences

STAT, a national publication from Boston Globe Media Partners, covers health, medicine, and life sciences.

Ground Game

Ground Game

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/19/BostonGlobe.com/Metro/Images/trumpclinton.jpg Why party unity is overrated in this election

The rule about candidates getting the entire party to fight for them after a bruising primary might be tossed out of the window.

The Big Picture

Dina Rudick/Globe Staff

In search of sanctuary

The pews grew emptier and emptier. Until at last they realized: the Congregational Church of West Medford was dying.

Globe investigations

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/09/BostonGlobe.com/Metro/Images/spotlight9090-10654.jpg Private schools, painful secrets

More than 200 victims. At least 90 legal claims. At least 67 private schools in New England. This is the story of hundreds of students sexually abused by staffers, and emerging from decades of silence today.

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.

Design New England

Design New England

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2016/05/05/BostonGlobe.com/Lifestyle/Images/DNE-4947.png When inspiration strikes

With their home as canvas, the couple behind KTII Design Group embrace the stylistic power of change.