Three quarters of the world's honey is laced with neonicotinoid insecticides, a new study from scientists in Switzerland has shown this week. The findings are based on an analysis of nearly 200 honey samples collected from around the world with the help of citizen scientists on every continent (except Antarctica!). Neonicotinoids are the most widely used pesticides in the world now and scientists suspect that, by getting into pollen and nectar, they're also having off-target effects on pollinators, like bees. This the first comprehensive global study to look at how widespread these effects... Like this podcast? Please help us by supporting the Naked Scientists