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These are stained samples of pollen (left images) and plant stems (right two images). Top row: commercial microscope. Bottom row: cell phone microscope. Z. J. Smith, K. Chu, A. R. Espenson ...

This microscope was also comfortable to use and ... we decide to test the upper light by examining solid specimens; pollen on the anthers of numerous flowers, the surface textures of different ...

OMAHA, Neb. (WOWT) - If you’ve been sneezing a lot lately, you’re not alone. One in four people experience seasonal allergies ...