One day we discovered bees inside our house. They were in a basement bathroom, flying around the light and walls. We did what most homeowners would do in the moment: we sprayed them. The immediate problem seemed solved. But the next morning we walked into the bathroom and discovered something much stranger. The floor was covered with dead bees. Not just a few. Hundreds. Even more strangely, the room next to the bathroom also had dead bees scattered across the floor. We cleaned them up, assumed the problem was finished, and moved on. The next morning, it happened again. Hundreds More…