Advertisement2 Scientists, 2 Different Approaches To Saving Bees From Poison DustMay 27, 2017Dan CharlesfacebookEmailA tractor pulls a planter while distributing corn seed on a field in Malden, Ill. Two scientists agree that pesticide-laden dust from planting equipment kills bees. But they're proposing different solutions, because they disagree about whether the pesticides are useful to farmers. (Bloomberg via Getty Images)