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| “I have the coolest job: I play with robots in a ‘sandbox’,” says NASA engineer Marleen Martinez Sundgaard. In her lab, bright lights mimic the sunlight on Mars and crushed granite provides the dust-free sand. (Rocco Ceselin for Nature) |
‘America First’ returns: Trump’s strategy slams Europe, signals shift on
Russia and Middle East
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*‘America First’ returns: Trump’s strategy slams Europe, signals shift on
Russia and Middle East* For the first time since returning to the White
House, th...
Hace 16 horas
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