Beyond Bionic
BBC TWO
Saturday 19 May 2018 08:30 - 09:00 (30 mins)
CBBC. 10/30. Darwin Bark Spider: Andy Torbet takes on the web-slinging Darwin's bark spider, which spins the world's toughest natural fibre. Can Andy climb a 30-metre tower? Also in HD. [AD,S]
Beyond Bionic may be available on playback
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