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Rescooped by Sakis Koukouvis from Astronomy Domain
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Why is the sky blue?

Why is the sky blue? | Science News | Scoop.it

Rayleigh scattering, and why the is sky blue... and yield white near the horizon.


Via Patrice AFRIAT
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Scooped by Sakis Koukouvis
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Blue Light Tells Plants When To Flower

Blue Light Tells Plants When To Flower | Science News | Scoop.it

Day length helps plants determine when to bloom and is sensed by proteins tuned to blue-light wavelengths in the leaves of Arabidopisis thaliana. These proteins, in turn, help switch on genes that trigger flowering in springtime, a new study reveals. A. thaliana tissues where proteins that measure day length reside are shown stained in blue.

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