SpaceX will send cannabis to the ISS in 2020

The high-flying scientists who devote months and sometimes years of their lives to conducting science in space will be getting a very special package in early 2020. The next SpaceX resupply mission to the International Space Station will be carrying something with a sketchy legal history: cannabis. Now, before you go imagining astronauts dabbling in mind-altering substances while cruising through space, you should know that it's nothing like that. The ISS will instead be receiving cultures of he...