States That Legalize Medical Marijuana See Fewer Painkiller Overdoses

As the number of patients who receive opioid prescriptions to treat non-cancer pain has increased in the past decade, so too have the number of overdoses. A new study, however, finds that states that legalized medical marijuana between 1999 and 2010 had 25% fewer annual overdose deaths than the rest of the U.S. » 8/28/14 9:00am Thursday 9:00am

Economist Uses Lego Bricks To Show The Ugly Truth Of Social Mobility

Richard Reeves, a Brookings Institution economist, has made a brief video using Legos to visualize the hard facts about getting ahead in the U.S. "In terms of fairness," he says, the question is less about the income gap between the bottom and top and "more about your chance of making it from the bottom to the top." » 8/28/14 7:00am Thursday 7:00am

Physicists Have A Simple Answer For How Egyptians Built The Pyramids

The Great Pyramid of Giza is the last of the ancient world's "seven wonders." The 4,500-year-old structure was constructed from 2.4 million limestone blocks, most weighing around 2.5 tons. Today we're still debating how the Egyptians managed to move these blocks from local quarries. Now scientists have a new… » 8/27/14 3:20pm Wednesday 3:20pm

Watching this Video Feels Like Landing on Mars at Breakneck Speed

This video takes you on a virtual descent from orbit into the so-called Distributary Fan on Mars, located just northeast of Holden Crater. Using imagery from the Mars Orbiter and the Mars Global Surveyor, this visualization shows where liquid water probably flowed across the Martian surface in the past. » 8/26/14 7:00pm Tuesday 7:00pm

​It's Time To Get Serious About Exploring Uranus. (Stop Snickering!)

Do names determine our destiny? Certainly, Uranus (properly pronounced, yur-an-us) makes a strong case for that theory. The planet has been repeatedly ignored by space missions, aside from a Voyager 2 flyby in 1986. But, a group of planetary scientists say Uranus has fascinating traits that merit investigation. » 8/26/14 3:20pm Tuesday 3:20pm

The Herd Mentality Of The Anti-Vaxxer Movement

It's not just the myth about autism that's driving down vaccination rates. Many parents believe that as long as most other children are vaccinated, their kids won't get sick. It's a faulty interpretation of "herd immunity" — and it's prompting families to prioritize exaggerated, imagined risks over actual benefits. » 8/26/14 8:50am Tuesday 8:50am

A Protective Suit That Lets You Stand Inside A Fireworks Display

Colin Furze is a British garage inventor and video maker, perhaps best known for his "DIY X-Men" devices that endowed him with the powers of Magneto and Wolverine. And now, perhaps inspired by the pyrotechnic prowess of Jubilee, he has created an inflatable metal suit that can withstand a barrage of fireworks. » 8/25/14 4:40pm Monday 4:40pm

Secrets of the Manhattan Project Leaked 1500 Times During World War II

The World War II program to develop an atomic bomb was the largest secret project ever undertaken by the U.S. government. But newly-declassified documents reveal how it hard it was to keep things secret as the weapon neared completion. Information leaks were everywhere, even in church sermons. » 8/25/14 11:20am Monday 11:20am