Do You Have What It Takes To Be NASA's Next Planetary Protection Officer?
The job posting has elicited headlines about how the space agency is seeking a person to defend Earth from aliens. But it's really more about microorganisms than little green men.
Đọc thêm tại NPR
at August 4, 2017 at 12:28AM
Health & Science
Thứ Sáu, 4 tháng 8, 2017
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