that s barely over 300 feet. the international atomic energy agency warning this heightens the risk of a potential nuclear accident. radioactivity levels are within normal range right now, but that could change at any moment and thousands of residents living in the shadow of this plant are all too aware of the dangers as city authorities are now handing out iodine pills in case of a nuclear disaster. cnn s sam kiley has the latest from zaporizhzhia in ukraine. reporter: jim, the ukrainian authorities remain deeply concerned about what might happen at the zaporizhzhia power plant. for the first time now issuing iodine tablets to the population here in zaporizhzhia. we re only about 20 miles from that nuclear power station. of course iodine being given out as a potential pro-phylacticrop. this boils down to the problem that the nuclear power station is on the frontline being used as a firebase by the russians. the russians claim the ukrainians are shooting back at it. there s
reporter: 50 years after apollo s moon bounce and buggies, nasa is kicking off a new lunar rover space race and a startup in california is headed in a very different direction. wow! reporter: this is flex, a prototype from thehe company astrtrolab testeted out by a a former comommander of f the ininternationanal spspace statioion, chris hatfield. it s not only an automated forklift but it becomes a transport vevehicle for r astronautsts on thehe surface of the moon. repororter: and i it can be operated from earth, allowing lunar base building before humans even get there, prepping vital life-support systems. picking up and deploying cargo in lego-like containers. you re not just designing a rover, yoyou re desigigning an entire e ecosystem. we want to set the standard for lunar logistics. we want to be the u.p.s. and the uber of the moon. right? reporter: that will mean making solar-powered rovers that will last ten years through extreme temperatures and along the way m