It's been tested on only a handful of kids, but using MRI with a diagnostic dye to look for cancer may work just as well as using PET and CT scans.
If your job is cleaning up nuclear disasters, you might also want to consider a $1,000 anti-radiation swimsuit.
Future manned missions to Mars will need internal shielding and advanced propulsion systems to shorten transit times, minimizing exposure to space radiation, scientists say.
The San Francisco Board of Supervisors ends its 3-year battle with the wireless industry by agreeing to a permanent injunction against the "Right to Know" ordinance.
San Francisco's Board of Supervisors approves a proposed settlement with the wireless industry over the "Right to Know" ordinance. Health care advocates wanted a tougher measure.
Initial readings of cosmic ray radiation on Mars suggest it's about the same as on the International Space Station. Now we just need a spaceship.
New standards could be put in place, if the FCC carries out its inquiry.
Anxiety over Japan's damaged nuclear plant increases as top U.S. nuclear regulator calls situation worse than reported by Japanese government and says "extremely high" radiation levels could hamper containment efforts.
Despite being controversial, the city's police plan to start using machines that can tell from a distance whether someone is carrying a concealed weapon.