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Can you outsmart the fallacy that fooled a generation of doctors?
Lesson duration 05:31
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1,230,214 Views
The big-beaked, rock-munching fish that protect coral reefs
Lesson duration 05:05
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Inside the bizarre world of internet trolls and propagandists - Andrew Marantz
Lesson duration 14:37
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2,142,890 Views
596,891 Views
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