Add Yahoo as a preferred source to see more of our stories on Google. Are we being microdosed with microplastics? Tiny pieces of plastic are turning up at the dinner table, and while the long-term ...

You can’t see ’em, you can’t smell ’em, and you certainly can’t feel ’em—but you just know your body and your home is crawling with microscopic invaders who’ll do everything they can to make you sick.

While Asian carp, gypsy moths and zebra mussels hog invasive-species headlines, many invisible invaders are altering ecosystems and flourishing outside of the limelight. A new study sheds light on why ...