News
- Physics
Most-Wanted Particle Appears, Perhaps
Hints of the Higgs boson—the crucial and last undetected fundamental particle predicted by the central theory of particle physics—have cropped up at a particle collider in Switzerland just as the machine is slated to be dismantled to make room for a more powerful collider.
- Earth
Nonstick but not nontoxic
A proliferating pollutant shed by nonstick products and surfactants caused neonatal deaths and developmental impairments in tests with rodents.
- Earth
Testing computers’ hazardous potential
The approved test for evaluating the ability of wastes to leach toxic metals fails to identify lead risks from some electronics equipment.
- Earth
Big worries about little tubes
The size and chemical makeup of some nanotubes being developed for industrial operations resemble mineral fibers, including asbestos, that pose a serious cancer risk.
