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 ...

Smithsonian researcher Ingrid Romero studies fossil pollen to reconstruct ancient climates and predict future changes Erin Wunderlich Researcher Ingrid Romero holds a case full of pollen slides at the ...

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 ...

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 ...

When millions of minuscule pollen grains invade Richmond, we see the yellow powder covering cars and swirling down the sidewalks after rain. Under Becky Collie’s microscope at Allergy Partners of ...

Tree pollen pods lay in a pile at a park in this March 2024 file photo. The warming climate has extended the pollen season, so it starts earlier and ends later. After a hard winter, most of us are ...

The immediate and most common response by the different organs of a plant to water stress is decrease in turgor. This may be partially or fully adjusted by accumulation of solutes. In the present ...

For roughly 1 in 4 American adults, spring blooms mark the start of itchy, eye-watering, congested misery. And looked at any number of ways, it’s only getting worse: Experts agree that more people are ...