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101,671 views
389,258 views
526,133 views
978,850 views
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Thinking & Learning
Can you survive the creation of the universe by solving this riddle?
lesson duration 06:24
585,751 views
501,061 views
572,756 views
787,190 views
Science & Technology
The untapped genius that could change science for the better - Jedidah Isler
lesson duration 13:43
61,911 views
Design, Engineering & Technology
How do jetpacks work? And why don't we all have them?
lesson duration 05:03
259,891 views
688,957 views
652,013 views
455,378 views
404,570 views
517,999 views
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158,173 views
275,055 views