Earlier this week, my editor at the New York Times asked if I’d write a story about a pair of new papers in Science detailing experiments on how insecticides affect bees. Bees have been in decline in many places, and scientists have been trying to figure out the cause–or causes–of their fall. These two new experiments represent a new wave of more realistic tests, taking place on farms instead of in labs. They’re also important because they were designed to look at what happens when bees are exposed to more realistic, sublethal doses.  My story appears in today’s issue.

I found this story to be especially challenging to sum up in a single nut graph. To begin with, these experiments came