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101,711 views
390,162 views
526,471 views
979,523 views
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357,794 views
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Thinking & Learning
Can you survive the creation of the universe by solving this riddle?
lesson duration 06:24
587,155 views
501,754 views
573,241 views
788,643 views
Science & Technology
The untapped genius that could change science for the better - Jedidah Isler
lesson duration 13:43
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Design, Engineering & Technology
How do jetpacks work? And why don't we all have them?
lesson duration 05:03
260,010 views
689,596 views
655,030 views
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404,588 views
518,794 views
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158,199 views
275,117 views