**snip**Bees and other pollinators have been on the decline for more than a decade and experts blame a combination of factors: neonics, parasites, disease, climate change and lack of a diverse food supply. Honeybees don't just make honey; about one-third of the human diet comes from plants that are pollinated by the insects. Bees pick up the pesticide when they feed on fields grown from treated seeds. **snip**"What this shows is the magnitude of the contamination," said study lead author Edward Mitchell, a biology professor at the University of Neuchatel in Switzerland, adding that there are "relatively few places where...