The source of nitrates – The chemistry of almost everything (10/31)

Here’s a riddle to get us started. What have boats, bombs and bird droppings got to do with the chemistry of power? A hundred years ago, rapidly growing populations put pressure on farmers to grow more food. The traditional fertiliser, animal manure, wasn’t enough. The one good source of the nitrates they needed was 8,000 […]

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Meet Our People – Sarah, Analytical Chemist III with Department of Agriculture

I’m Sarah. I’m an Analytical Chemist 3 with the Department of Agriculture for the State of Delaware. On a typical day we test animal feeds, pet feeds, fertilizers, submitted pet foods. All different sorts of samples that come in and out of the laboratory on all different types of equipment. I started as an Analytical […]

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What Does “Organic” Mean, and Should You Buy Organic Foods?

[♪ INTRO] You’re at the supermarket, and you need to pick up a few ingredients for your favorite stew. Do you buy the organic carrots, potatoes and beef? Or do you skip the upcharge and stick with the conventional stuff? There’s a lot of confusion over what organic means, and whether it makes sense to […]

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