They are very tiny, but they are a key source of information when it comes to Earth's evolutionary history: pollen grains are usually no larger than 20 micrometers, or 0.02 millimeters. Using these ...

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 ...

There’s more than just pollen riding on a springtime breeze. Just as some human viruses spread when humans reproduce, plant viruses can use pollen to hitch a ride from flower to flower. A study in ...

Pollen grains are far more than allergens — they are also nature’s time capsules, preserving clues about Earth’s past environments for millions of years. Pollen’s tough outer shell enables it to ...

Please provide your email address to receive an email when new articles are posted on . The model was trained with 6,404 images of 29 pollen species. There was 96% correlation in identifying pollen ...

The slow motion footage and images here capture the catapult-like mechanism of a Hypenea macrantha flower when a the bill of a hummingbird's skull is inserted. It clearly shows how the explosive force ...

A team of researchers from the Smithsonian Tropical Research Institute is digitizing images of pollen from more than18,000 plant species from the tropics. These images are being used to train a ...