Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

Pollen may annoy allergy sufferers in springtime but, viewed under the microscope, a pollen grain is a thing of beauty. Amazing images and facts about pollen are part of an exhibition at CSIRO ...

Add Yahoo as a preferred source to see more of our stories on Google. An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and ...

STV has broadcast its first pollen forecast of the season, as the familiar sniffles begin to return for many. As spring gets under way, pollen levels will gradually rise in the weeks ahead, so here’s ...