13,636,415 views
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Philosophy & Religion
Can you solve the famously difficult green-eyed logic puzzle?
lesson duration 04:42
14,169,316 views
301,137 views
202,435 views
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Design, Engineering & Technology
What's the difference between accuracy and precision?
lesson duration 04:53
5,262,677 views
553,540 views
1,977,762 views
465,745 views
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