Ahh...Choo! Pollen--the culprit of many sneezes

2016-03-16
2016-04-01

Plants release pollen into the air as part of their reproductive process. Humans breathe in the pollen and the body mistakes it for invading germs, triggering the body's defense, resulting in a sneeze to expel the intruder out. Image was taken using a Helios NanoLab 650 electron microscope at the Swagelok Center for Surface Analysis of Materials. It measures approximately 100 microns in diameter. The single grain of pollen was cut from the full microscope image, colorized using Photoshop and imposed on to a stylized background.

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