Roger glanced around the desert once more. Nothing but the cloudless sky and the sand scattering in the wind, with a few cacti dotted around the landscape. With nothing else to do, he checked his magazine, already knowing how many bullets he had. Full. Adjusting...

Russian researchers in the late 1940s kept five people awake for fifteen days using an experimental gas based stimulant. They were kept in a sealed environment to carefully monitor their oxygen intake so the gas didn't kill them, since it was toxic in high concentrations....