XDR-TB is a particularly dangerousform of the disease that is resistant not only to the two most potent TB drugs, but also a handful of second-line drugs.
An American man with a highly dangerousform of tuberculosis is under guard in an Atlanta hospital while health officials in many countries try to track down people he may have exposed to the disease on his way to Europe and back.
They are fast enough to scan trucks and cars as they pass through toll booths, portable enough to be used almost anywhere and sensitive enough to distinguish between a weapons-grade isotope and the less dangerousform in an X-ray machine.
Last year Monterrey, the country's industrial capital, clocked a higher reading than Mexico City on its index of particles smaller than 10 microns, aform of pollution that is no less dangerous than ozone.
And most importantly, an enclosed cockpit and in-house concocted gyroscopes will provide some safety assurance and stability to aform of transportation glorified for its uninhibited and dangerous nature.
Body language was the basis for our earliest form of communication when the split-second ability to recognize if a person or situation was benign or dangerous was often a matter of life or death.