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David Attenborough's Natural Curiosities S2 Ep6: Shocking SensesHow naturalists find out that some eels are electric is revealed.![BBC Earth]()
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Now PlayingDavid Attenborough's Natural Curiosities S2 Ep6: Shocking SensesHow naturalists find out that some eels are electric is revealed.0
David Attenborough's Natural Curiosities S2 Ep7: Life on IceSir David Attenborough shines the spotlight on the wood frog, which freezes solid; he looks at how the emperor penguin breeds.