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A 3-D printing pioneer explains the technology’s capabilities and limitations in manufacturing arms
Intel’s Justin Rattner explains why we need new displays and graphics. Tricorders?—Not so much
Two IEDs were detonated near the race’s finish line. An expert explains how they work and how they can lead investigators back to the bomb-makers
North Korea’s traditional bellicosity has intensified to new levels with its threatened nuclear war against the U.S. and South Korea. One expert explains why the North should be allowed to keep its nukes in exchange for peace
New York University research scientist Gabe Perez-Giz answers viewer questions submitted to our YouTube Spacelab Channel
Weather and GPS information stimulated the economy with new products and services. Todd Park, the U.S. chief technology officer, wants to repeat that success with the rest of the government’s data trove
The late Venezuelan president implied that his enemies gave him cancer. Katherine Belov, an expert on transmissible cancer in Tasmanian devils, says that is unlikely—but not impossible
Theoretical physicist and New York University professor Matthew Kleban answers viewer questions submitted to YouTube's Spacelab Channel
Spotted at the State of the Union address, Bobak Ferdowsi, the Mars Curiosity flight engineer famous for his hairstyle, describes his role as an ambassador for Mars
Meteor researcher Margaret Campbell-Brown recaps the latest research into the cause of this morning’s fireball over Chelyabinsk
On Tuesday the country conducted its third underground nuclear explosion, a blast estimated to be the same as a six- or seven-kiloton atomic bomb
The head of Bell Labs Research says the Internet should deal in information rather than simply bits and bytes
Scientific American contributing editor George Musser answers viewer questions submitted to YouTube's Spacelab Channel
Ongoing research increasingly points to more than one cause in genes and the environment
Social scientist Duncan Watts talks about how the Web can deliver on its decade-old promises of delivering researchers with unprecedented access to fodder for behavioral research
The British royal was hospitalized on Monday for a rare pregnancy complication that causes nausea and vomiting so extreme it has the potential to kill
Contaminated medication has put thousands at risk for a rare form of meningitis—and the outbreak may last longer than first thought. An infectious disease expert explains what fungal meningitis is and the possible course the unfolding illness may take
With the Yosemite tourists having died from this normally high-altitude illness, we spoke with an infectious disease expert to see if hantavirus could spread to other areas of the country
The When Harry Met Sally screenwriter recently succumbed to this enigmatic form of cancer, but there are new treatments in the pipeline
People are turning to social media to bridge the chasm between those in need of life-saving organs and those who can help. This offers hope but also introduces risks
A joint CIA-Saudi Arabia intelligence coup uncovered a more effective underwear bomb designed to exploit resistance to controversial airport scans
Past response strategies have focused on helping those in remote, rural areas. But when an earthquake, flood or other calamity hits an urban center, aid must take a different form
As the Titanic sinking and Costa Concordia's grounding demonstrate, no amount of engineering can completely compensate for human error
The U.S. government aims to improve energy production from renewables to oil, but what does that mean in practice?
Researchers are in the early stages of linking caloric intake to mild cognitive impairment, the stage between normal age-related memory loss and early Alzheimer's disease
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