What Do This Year’s High Pollen Counts Mean? This Allergy Season Is for Real

Now begins the season of sniffles, itchy eyes, and scratchy throats: Pollen counts all over the country are high. But what does “high” mean, exactly? Before we know that pollen is high we’ve got to count it. The way we sample pollen is ingenious in its simplicity: A device called a Rotorod, a plastic strut that … Read more