Have you ever seen a hibiscus flower? Although its petals have a range of colors, what makes the trumpet-shaped flower more ...

It's no secret that pollen plays a vital role in plant reproduction worldwide, including the production of food. But for decades, scientists have been puzzled about the variety of patterns on the ...

Pollen, best known as an immune system irritant that elicits allergic reactions in the form of sneezes and snot, may one day bring medical treatment instead of misery. The strong shells of pollen ...

An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and primrose. Dartmouth Electron Microscope Facility If pollen allergies are ...

This is a lonely little pollen grain, sitting on the petal of a thale-cress plant. Although it is solitary now, it was released into the air along with thousands of other pollen grains. This is a ...