ahlam1399
05-27-2017, 09:52 PM
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.
أكثر... (http://www.npr.org/sections/thesalt/2017/05/27/530028003/two-scientists-two-different-approaches-to-saving-bees-from-poison-dust?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thesalt/2017/05/27/530028003/two-scientists-two-different-approaches-to-saving-bees-from-poison-dust?utm_medium=RSS&utm_campaign=news)