A new artificial intelligence (AI) system can now separate fir, spruce, and pine pollen. The achievement promises sharper ...

Discover why pollen is causing more suffering for humans, why climate change is exacerbating pollen counts, and why the Southeast is particularly affected.

Evolution has fostered many reproductive strategies across the spectrum of life. From dandelions to giraffes, nature finds a ...

Imagine trying to tell identical twins apart just by looking at their fingerprints. That's how challenging it can be for scientists to distinguish the tiny powdery pollen grains produced by fir, ...

"You could be exposed to one pollen grain and not sneeze, but if you're exposed to a thousand, you're going to sneeze because there's enough there that will activate the immune system," he explains.

Many pores are scattered over the surface of the grain, which could increase the possibility of the small pores coming into contact with the stigma; this could facilitate germination of the pollen ...