Experimental mice have been telling us this for years, but pot-smoking humans didn’t want to believe it could happen to them: Compared with a person who never smoked marijuana, someone who uses marijuana regularly has, on average, less gray matter in his orbital frontal cortex, a region that is a key node in the brain’s reward, motivation, decision-making and addictive behaviors network.
SAN FRANCISCO — The last U.S. icebreaker capable of crushing through the thickest ice of the Antarctic and Arctic resumed its mission after the latest repairs to postpone its already past-due retirement.
DALLAS — The hospital that treated the only Ebola patient to die in the United States will pay his relatives an undisclosed sum and create a charitable foundation in his name, the family’s attorney said today.
In long tunics and Bedouin scarves, men kick a soccer ball in front of the U.S. consulate. Women sit and eat. Arabic music rings from the market. A bicyclist waves as he rides toward a stone church and a mosque with a green minaret in the distance.
WASHINGTON — U.S. attorney Loretta Lynch has emerged as the leading choice to be the next attorney general, but people with knowledge of his plans say President Barack Obama is not ready to announce a nomination and is abandoning the option to push for confirmation this year while Democrats still control the Senate.
WASHINGTON (AP) — Republicans’ resounding victory gives them an opportunity to push legislation that’s been bottled up in the Democratic Senate, from targeting elements of President Barack Obama’s health care law to constructing the Keystone XL oil pipeline to rolling back environmental regulations.
FORT LAUDERDALE, Fla. — For the second time in four days, 90-year-old activist Arnold Abbott was cited by police for a violating a new city ordinance designed to stop him and others from feeding the homeless in public spaces.
For decades, humans have built rovers to visit places we can’t easily reach, including the moon and Mars. Now scientists have built a rover to explore another challenging target: colonies of adorable penguins.
MADISON, Wis. — Republicans swept governor’s races across the country Tuesday, holding on to control of key swing states like Florida, Michigan and Ohio and scoring upsets in Democratic bastions like Maryland, Massachusetts and Illinois. Among the victors was Wisconsin Gov. Scott Walker, a conservative darling who won his third election in four years.
Joints, pot brownies, cannabis-dosed sodas and other marijuana products will soon be sold in retail shops to any adult who wants them throughout a large chunk of the West, after voters in Oregon and Alaska approved legalization measures Tuesday.
WASHINGTON — A weakened President Barack Obama and emboldened Republican leaders in Congress began adjusting to a new political dynamic Wednesday after voters coast to coast used the midterm elections to sharpen the dividing lines in an already divided government.
Adding to signs of distress in the nuclear force, the Air Force fired two commanders and disciplined a third in response to internal investigations of leadership lapses and misbehavior at two of its three intercontinental ballistic missile bases.
MILFORD, Pa. — Onlookers shouted “Are you sorry?” and “Why did you do it?” at the suspect in a fatal ambush on a Pennsylvania state police barracks as troopers led him from his first court appearance today following a grueling seven-week manhunt.