Pollen not only plays a role in allergies, but also influences the local weather. Especially in spring, when large amounts are released, it contributes to the formation of ice in clouds, which can ...

Pollen Grains Preserve Clues About the Earth From the Time When an Asteroid Struck 66 Million Years Ago Nature carried with it the traces of a past time, and every inch of its being revealed ...

Pollen not only plays a role in allergies, but also influences the local weather. Especially in spring, when large amounts are released, it contributes to the formation of ice in clouds, which can ...

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 ...

Check pollen counts. Before heading outside, check the local news or visit the American Academy of Allergy, Asthma, and Immunology’s National Allergy Bureau for up-to-date readings.

Tree pollen season begins in late January, but the most noticeable sign is in mid-March, when pollen from pine trees coats the surface of streets, vehicles and lawn furniture.

Pollen trackers can help you decide when to go outside. The American Academy of Allergy Asthma and Immunology tracks levels through a network of counting stations across the U.S. Counts are ...

Sneezing may be non-stop this weekend in the D.C.-area if you suffer with seasonal allergies. With higher temperatures forecasted Saturday, tree pollen is anticipated to spike this weekend. A ...

While bee pollen shows some potential as a treatment for certain conditions, there have been some serious, although rare, side effects reported. Learn more.

If pine pollen is a plague that keeps you locked indoors for three weeks in spring, you can open your eyes — and your windows — again in the next three to seven days. It’s almost over ...

On a global scale, the effect of pollen on ice formation is relatively small compared to, for example, dust, but it is significant on a regional and seasonal scale.