How the Second Amendment Works

Retired U.S. Supreme Court Associate Justice John Paul Stevens put forward a startling proposal. In the wake of the Feb. 15 school shooting in Parkland, Florida in which 17 people were killed by a teenage gunman, Stevens applauded demonstrators marching in support of stricter gun-control laws. But Stevens argued that merely banning military-style semiautomatic rifles, increasing the minimum age for purchasing guns and imposing more thorough background checks wouldn't be enough to prevent more deaths. See more

Robot Revolution: Coming to a Restaurant Near You

At Spyce, a recently-opened restaurant in Boston, diners can choose from a menu of meals-in-a-bowl that draws upon international influences ranging from Thai to Moroccan cuisine, which they can have customized to their individual tastes with vegetarian, pescatarian, gluten-free and vegan options. But it's not just the quality of the food and the relatively low price — bowls start at $7.50 — that's creating a buzz about the eatery. See More

The Fascinating History of Lemonade

Earth Hits 400 Straight Months of Hot

CNN's Sanjay Gupta on How Marijuana Can Break Opioid Addiction

After five-plus years of deep-researching potential medicinal uses for marijuana, Sanjay Gupta — neurosurgeon, professor at Emory University School of Medicine in Atlanta and, most famously, medical correspondent for cable news giant CNN — has settled firmly on this conclusion: Weed works. Not for everybody. But for a lot of people. It can ease pain. Reduce inflammation. And for many who struggle with opioid addictions, it can help them kick their habits by tamping down the nausea, insomnia and other symptoms that characterize opioid withdrawal. See More >>>