Grist: s this a flower? As a species, we are not doing right by bees. They work so, so hard to pollinate the plants that form the basis for human existence, and, at every junction, we try to thwart them. A new study, for instance, has found that diesel fumes from cars essentially eliminate bees ability to smell flowers. If bees cant smell the flowers, they cant find them, which means they cant feed off them or pollinate them, either. The researchers found, specifically, that the nitrogen oxides in...