Dec
29
2017
Flowers Have Hidden Heat Signals That Attract Pollinating Bees
It is well understood how flowers use complex color patterns and smells to attract pollinating bees. But now, scientists have discovered that flowers also emit heat to advertise themselves to insects — creating temperature arrays that mimic the color designs of petals.On average, heat spots were 4 to 5 degrees Celsius warmer than the rest of the flower, but could be as much as 11 degrees warmer.
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