Sunflowers dance to their own beat

11 August 2016
Presented by Lucka Bibic.

It's summertime and fields are filled with sunflowers, devotedly following the rising sun. But why do they do it? This is a question that scientists at the University of California, Davis, have striven to answer and Dr Stacey Harmer thinks she has the answer as she explained to Lucka Bibic...

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