다운로드Girls in STEM, featuring young women scientists and engineers who wowed the President and the nation at the White House Science Fair in February, shines a spotlight on these extraordinary young role models and their exciting projects — ranging from a machine that detects buried landmines, to a prosthetic hand device, to a lunchbox that uses UV light to kill bacteria on food 무료 크리스마스 카드 다운로드. – whitehouse.gov/stem
STEM = Science, Technology, Engineering and Math
Girls in STEM: A New Generation of Women in Science
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