About Crash Course Science results of 10,000
14:22
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15:34
11:09
10:33
11:10
15:18
10:56
03:22
09:54
10:54
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10:52
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03:57
10:27
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10:18
12:24
07:21
09:55
133:17
24:00
10:37
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04:44
12:48
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09:52
11:04
11:22
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