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David Attenborough's Natural Curiosities
S01E04 - A Curious Twist
BBC Earth
25 minutes
2013
The single spiral tusk of the narwhal inspiration for tales of unicorns and the myriad variations on the twist of the snail shell have delighted and fascinated naturalists and artists since the dawn of civilization.
More informationEpisodes
Season 1
, BBC Earth,
35 minutes
Young Wrinklies
David encounters two examples where Nature has tinkered with the aging process to alarmingly different effect – the first grows old while trapped in a young body while the second looks old from birth but might hold the key to a long life.
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Czech,
English,
Hungarian
Czech
2013
Sir David shines the spotlight on some of nature’s evolutionary anomalies and reveals how these curious animals continue to baffle and fascinate.