True or false: It is a good idea to use a more dangerous chemical to replace a safer one? Before you answer, take a look at a couple of videos that the folks in Bristol in the UK should have watched before they decided to “go organic” and substitute vinegar (acetic acid plus water) for glyphosate — a supernaturally safe herbicide, which has been used for more than 40 years in the United States. The first shows what happens when you drop a piece of magnesium metal into vinegar … Read more.