Mashable: You're tired. Your eyes are watery and itchy. Your head feels like it's stuffed with cotton. And you can't stop sneezing. Blame the weather. Blame climate change. Blame your allergies. But most of all, blame the "pollen tsunami" that's making headlines in New York City. Pollen is the yellow and green dust you see all over your car and on basically every other object exposed to the elements right now. Male trees and flowers produce it in the spring to fertilize their female counterparts, which will...