Drones, it appears, can safely deliver precious cargo.
Biological specimens, like blood samples, require a smooth ride to the laboratory; excessive turbulence can skew test results. This poses a unique problem for doctors practicing in rural, rugged landscapes around the world. But scientists at Johns Hopkins University, for the first time, proved that hobby-sized drones could handle this important task.
Blood samples are one of the most important tools doctors can use to deci