The rain didn't stop customers from lining up outside Cultivate in Leicester, Mass., on Tuesday — the first day that sales of recreational marijuana became legal in the state. Steven Senne/AP hide caption
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Tuesday
Wednesday
A soldier carries marijuana plants to be destroyed after a large plantation was seized in Hostotipaquillo, Mexico, in 2012. A new bill in Mexico's Congress would legalize pot, and with its authors' party in the majority, it is likely to pass. Bruno Gonzalez/AP hide caption
Wednesday
Canada legalized recreational marijuana in this month, but Canadians can find themselves barred from entering the U.S. if they say they've used it. A Canadian flag flies in Windsor, Ontario, in June, with the Detroit skyline visible behind it. Brittany Greeson/The Washington Post/Getty Images hide caption
Tuesday
Even a week without marijuana use improves young people's ability to learn and remember. BURGER/Canopy/Getty Images hide caption
Wednesday
A planter trims medicinal marijuana plants in Ontario in 2016. After months of preparation, Canada legalized recreational use of the drug on Wednesday. Lars Hagberg/AFP/Getty Images hide caption
Monday
Megan Baker (left) of Papa & Barkley Co., a Cannabis company based in Eureka, Calif., shows Shirley Avedon of Laguna Woods different products intended to help with pain relief. Stephanie O'Neill for NPR hide caption
Ticket To Ride: Pot Sellers Put Seniors On The Canna-Bus
Wednesday
Baby boomers who use marijuana seem to be using it more often than in previous years, a recent survey finds — 5.7 percent of respondents ages 50 to 64 said they'd tried it in the past month. The drug is also gaining popularity among people in their 70s and 80s. Manonallard/Getty Images hide caption
Friday
California's legislature passed a bill Wednesday that would require officials to review all marijuana-related convictions from 1975 until 2016, when pot was legalized in the state. Taylor Weidman/Bloomberg via Getty Images hide caption
Thursday
Justin Filipowski (left) and Peter Curtis, dressed in 18th-century post-Colonial costume, harvest hemp at Mount Vernon, George Washington's historic plantation. It is the first hemp crop harvest on this Founding Father's estate in decades, maybe centuries. Claire Harbage/NPR hide caption
Monday
Evelyn Nussembaum and her son Sam Vogelstein pick up a six month supply of Epidiolex from the experimental pharmacy at UCSF. Lesley McClurg/KQED hide caption
How One Boy's Fight With Epilepsy Led To The First Marijuana-Derived Pharmaceutical
Monday
At least three marijuana plants have been discovered in city-owned planters in Powell, Wyo. Courtesy of the City of Powell Parks and Recreation Department hide caption
Friday
President Donald Trump steps off Air Force One as he arrives for the G-7 summit in Canada on June 8. Evan Vucci/AP hide caption
Trump Signals Possible Support For Bipartisan Marijuana Legislation
Thursday
Minneapolis Police Chief Medaria Arradondo speaking during a security news conference in advance of the Super Bowl 52 football game, on Jan. 31, 2018. On Thursday, Arradondo said police will no longer arrest people for selling small amounts of marijuana. Matt Slocum/AP hide caption
Sunday
Dawn Charlton, an instructor with Being Adept, leads a discussion on marijuana for sixth-graders at Del Mar Middle School in Tiburon, California. Carrie Feibel/KQED hide caption
With The Rise Of Legal Weed, Drug Education Moves From 'Don't' to 'Delay'
Wednesday
The Estonian municipality has approved using the marijuana leaf as the official government symbol. It will appear as the government logo, on flags and crest. Susan Montoya Bryan/AP hide caption