Bbc
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Why are there no blue roses? - Colour: The Spectrum of Science - BBC Four
Posted
November 6, 2015
Views
17,685
Likes
278
Comments
16
Engagement
1.66%
November 6, 2015
17,685
278
16
1.66%
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3:39Now PlayingSubscribe and 🔔 to the BBC 👉
Watch the BBC first on iPlayer 👉 Programme websiteDr Helen Czerski explains why blue flowers are rare in nature.
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