They must mean in flowers that aren't naturally blue. Which is still cool.

They must mean in flowers that aren't naturally blue. Which is still cool.

http://www.npr.org/sections/thetwo-way/2017/07/26/539044757/photos-japanese-scientists-turn-chrysanthemums-true-blue
http://www.npr.org/sections/thetwo-way/2017/07/26/539044757/photos-japanese-scientists-turn-chrysanthemums-true-blue

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