Tom BatemanBBC State Department CorrespondentReporting fromat the White HouseWatch: The BBC's Tom Bateman unpacks Russia's ceasefire conditionsPresident Vladimir Putin has...
Energy
Getty ImagesPeople hid in a Kyiv subway during Russia's latest attackRussian President Vladimir Putin has threatened to attack decision-making centres...
Share Surendra Sunkari, a high-performance computing (HPC) engineer at the National Renewable Energy Laboratory, examines Kestrel. Photo by Joe DelNero,...