Feb 08 If a Boy Scout Can Get Nuclear Materials, What’s Stopping Terrorists? DetectFlashDecision_Blog('news01s47f5qdbe', 'o0yB1gkiWyA', '29'); Back in the days when we thought a "dirty bomb" might be a raunchy joke gone awry, young David Hahn was gathering all the radioactive material he could get his hands on. But he… Continue reading
Feb 08 Watch How Tough Is it to Build a Dirty Bomb? Science correspondent Miles O'Brien examines the threat that radioactive "dirty bombs"could pose to cities in the U.S., and what's being done to prevent a radiological attack from happening. Continue watching
Feb 07 Maptivism, Pond Fleas and One Polar Bear’s Long Journey Maps, Activism and Technology: Check-Ins with a Purpose Introducing Sukey, the "maptivism" app. Detailed in this column is a sort of Four Square for nonviolent organizing: location-based mobile social networking that allows people to check in during demonstrations,… Continue reading
Feb 07 Testing New Tools to Quash Bed Bugs Bed bugs are survivors. They grow as large as ladybugs and can live a year without eating. They move from room to room and leave itchy, bloody welts on skin when they bite. And they wreak havoc on… Continue reading
Feb 06 The Other Side of the Sun Two solar probes have beamed back the first full images of the sun. The identical twin STEREO spacecraft were launched in 2006, and moved into orbiting positions at opposite sides of the sun on Sunday. NASA has combined… Continue reading
Feb 03 Watch My Very Educated Mother Just Showed Us New Planets — 1,200 of Them Perhaps you learned a mnemonic device such as the one above to help remember the planets -- Mercury, Venus, Earth, etc. -- and their order away from the sun. Turns out, we're going to need a longer mnemonic after the… Continue watching
Feb 03 On Mars, Shifting Sand Dunes Surprise Scientists A sand dune on Mars changes over the course of two seasons. (Image courtesy Science/AAAS). A Texas-sized field of sand dunes around Mars's north pole -- long thought to be a static, unchanging remnant of the planet's more active… Continue reading
Feb 03 Searching for the Source of Phantom Sounds By Jenny Marder A Georgetown neuroscientist's theory on the origins of tinnitus, the phantom ringing that plagues millions of Americans and countless military veterans. Continue reading
Feb 02 Tracking the Egypt Crisis via Google, News Curation Tools By News Desk After a widespread shutdown of Internet and mobile phone service in Egypt as street protests intensified last week, there were reports Wednesday that Web access was restored in the country. Google's Transparency Index has been tracking web traffic to… Continue reading
Feb 01 Watch Frontline: U.S. Needs More Competent Pathologists for Autopsies Frontline explores the patchwork system of death investigations in the U.S. Varying greatly from the high-tech operations depicted in popular crime shows, these investigations often lack uniform standards, oversight and trained doctors. Watch a preview of an episode airing Tuesday… Continue watching