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Earth Matters : Mistletoe: It’s not just about kissing

By Joshua Rose

’Tis the season of mistletoe, sort of. Mistletoe is evergreen, meaning it’s present year-round. However, winter is the season when we think about mistletoe most often. In the southeastern U.S., where I am writing this piece, mistletoe is hidden among the leaves for three seasons. Right now, though, with other leaves long since fallen, the clumps of still-green mistletoe stand out. This seasonal increase in visibility may have helped mistletoe become one of the iconic symbols of Christmas, dating back to at least the 1700s.

Published on January 24, 2023.

Earth Matters : Pollen: A great leap for plants gets its hooks in people, too

By Lawrence J. Winship

Every spring our car windows, decks and sidewalks are blanketed by layer upon layer of yellow powder. A seemingly unending rain of tiny particles filters down from birches, oaks, pines and other trees, sticking to every horizontal surface — and making about 25% of the human population sneeze. Lawrence J. Winship explains what wind-dispersed pollen does for plants and to people- and ends his tale with very curious questions.

Published on July 8, 2022.

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