01:30Learning
Can you see the grey box? Sensory adaptation explained by Kit Yates #sciencedemo #optical #sensory
The Royal Institution
Today's Headlines: Rising knife crime in UK Giraffes facing 'silent extinction' Meet one of Spain's four female bullfighters For more visit our website: http://www.bbc.co.uk/learningenglish/english/features/lingohack/ep-170118
Published 2017-01-18 · Watch on YouTube ↗
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01:30The Royal Institution
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