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Space and astronomy
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astronomy
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space missions
man in space
environment and energy
Environmental sciences - the climate crisis
Earth science
environmental issues
energy
transportation
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exact sciences
Computing and robotics
nano-tech
military technology
futurology
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medicine
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Zvi Yanai archive
Zvi Yanai
First exposure - letters that Zvi Yanai wrote to his twin children inspired by nature
Zvi Yanai
December 16, 2015
3 תגובות
Must die?
Zvi Yanai
July 4, 2000
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