Photo of the Day: 7 March 2010

Photo: Martin Oeggerli/National Geographic PHOTO OF THE DAY 7 MARCH 2010 Pollen on Geranium Stigma The size of the grains is measured ...


PHOTO OF THE DAY
7 MARCH 2010


Pollen on Geranium Stigma

The size of the grains is measured in millionths of a meter, but the romantic journeys of pollen are epic. The dozens of golden grains that have successfully reached a Geranium phaeum flower's stigma must compete to be among the few that achieve fertilization.

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