What’s it like inside one of Colorado’s largest pot dispensaries? Hint: It’s smelly.

Marijuana retail stores in Colorado can now sell up to an ounce of marijuana to customers who are 21 and over. The products come in all kinds of forms: from pre-rolled joints to marijuana-infused massage oil.

Watch NewsHour Weekend’s report from Denver.

Golden Retrievers, Dolly the sheep, adhesive postage stamps…and Grand Theft Auto. These are some of the things Scotland has brought us over the years.

Learn about some other exports you didn’t know were Scottish.

An estimated 250,000 to 500,000 vitamin A-deficient children become blind every year.

Half of those children die within 12 months of losing their sight.

Learn more.

You’ve probably read “To Kill a Mockingbird” or “Catcher in the Rye,” but what about John Updike’s “Rabbit, Run” or E.E. Cummings’ “The Enormous Room”?
Find out how many of the 200 best American novels you’ve read.

You’ve probably read “To Kill a Mockingbird” or “Catcher in the Rye,” but what about John Updike’s “Rabbit, Run” or E.E. Cummings’ “The Enormous Room”?

Find out how many of the 200 best American novels you’ve read.

Thirteen years later, the owner of a wedding photo lost during the Sept. 11 attacks has been identified.
After more than 73,000 re-tweets of the photo on Twitter, the owner of the photo finally reached out.

Thirteen years later, the owner of a wedding photo lost during the Sept. 11 attacks has been identified.

After more than 73,000 re-tweets of the photo on Twitter, the owner of the photo finally reached out.

China consumes half of the world’s pork. And the country’s growing middle class — bigger than the population of the United States — wants more meat. The Center for Investigative Reporting looks at how China plans to meet that demand.

If you missed President Obama’s address to the nation, you can watch it above.

Learn more.

To study black holes, scientists flock to the ALMA Observatory atop a mountain in the middle of the Atacama Desert in northern Chile to get a better look at the sky.

Check out the time-laps video of the night sky from our reporters Joshua Barajas and Rebecca Jacobson. 

Learn more here.

Can dogs be trained to detect the smell of cancer? Researchers at the Penn Vet Center are testing the idea right now.