01 / 21Big Think≈ mức xấp xỉB15:03–5:09 , .
02 / 21TED-Ed≈ mức xấp xỉB23:05–3:13
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03 / 21Sprouts≈ mức xấp xỉB24:13–4:21
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04 / 21TED-Ed≈ mức xấp xỉB10:55–0:58
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05 / 21TED≈ mức xấp xỉB17:02–7:13
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06 / 21BBC Ideas≈ mức xấp xỉB12:10–2:20
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07 / 21TED≈ mức xấp xỉB10:19–0:27
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08 / 21Sprouts≈ mức xấp xỉB23:23–3:28
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09 / 21TED-Ed≈ mức xấp xỉB22:59–3:07
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10 / 21CrashCourse≈ mức xấp xỉB14:04–4:14
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11 / 21TED-Ed≈ mức xấp xỉB21:01–1:13
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12 / 21CNBC Make It≈ mức xấp xỉB23:13–3:23
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13 / 21Sprouts≈ mức xấp xỉA20:50–1:00
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14 / 21Sprouts≈ mức xấp xỉB26:11–6:24
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15 / 21TED-Ed≈ mức xấp xỉB14:13–4:22
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16 / 21Big Think≈ mức xấp xỉC15:55–6:08
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17 / 21CrashCourse≈ mức xấp xỉB10:01–0:13
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18 / 21CrashCourse≈ mức xấp xỉC18:05–8:20
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19 / 21Big Think≈ mức xấp xỉC15:25–5:36
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20 / 21TED-Ed≈ mức xấp xỉC12:06–2:22
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21 / 21The New Yorker≈ mức xấp xỉC11:12–1:29
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