Featured in boston marathon
Building a better bomb detector
Dogs are the best bomb detectors we have. Can scientists do better?
The Video Tech That Helped Find The Boston Bombing Suspects
Software that spots colored cars and hats, and even specific the ages and genders, helps analysts comb through hours of surveillance footage.
How To Find Someone During A Disaster
What to do, and what not to do, when trying to contact someone during an event like today's Boston Marathon bombing.
Explosions At Boston Marathon Heighten Security In New York And London
How do you secure an event like a big-city marathon?