VIDEO: Pollen grains marked with quantum dots on the bill of a hummingbird (skull). This is being viewed under a UV light source. The grains were placed by us in the bill and counted (only the ...

Pollen is basically plant sperm. To get right to it, pollen is the male gametophyte working its way to find a female counterpart through wind. Be the first to know.

However, while no particular plant produces pollen continually, the plant-friendly maritime Northwest hosts so many kinds of plants that something or other can make you miserable all year long.

Production of plant pollen is regulated by several signalling pathways. ScienceDaily. Retrieved June 3, 2025 from www.sciencedaily.com / releases / 2011 / 01 / 110126081514.htm.

The pollen count has exploded in some parts of the country this year after warm winter weather pushed plants into growing mode earlier than normal. CNN values your feedback 1.

To a person with a pollen allergy, an 18-acre ragweed field sounds like a sneezy, red-eyed zone of misery. But to two environmental engineering researchers at Johns Hopkins, the parcel presented a ...

THE PLANT BECKONS Pollen tubes gravitate toward LURE1 protein (left, fluorescent green) expressed by synergid cells around T. fournieri’s embryo sac (right). Satohiro Okuda (left) and Tetsuya ...

A plant’s view of what humans call allergens in pollen grains involves a lot of crucial biology. And sex.

Plants producing flower pollen must not leave anything to chance. The model plant thale cress (Arabidopsis), for instance, uses three signalling pathways in concert with partially overlapping ...

For many, the return of the spring garden brings with it a sneezy, itchy, foggy-headed feeling that hits the moment a warm breeze stirs up. I’m fortunate not to suffer much, but my blue car ...

According to the Asthma and Allergy Foundation of America (AAFA), 54 million people each year are affected by allergies caused by plant pollen. The plants with the greatest impact on allergies are ...