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Chemistry

Organic At Your Own Risk: Whole Foods Almonds Contain Hydrogen Cyanide

The U.S. Food and Drug Administration (FDA) is warning Whole Foods customers not to consume a line of organic raw almonds due to elevated levels of hydrogen cyanide (prussic acid/formonitrile - chemical formula HCN). Hydrogen cyanide is a natural toxic chemical that interferes with oxygen in our organs so it can quickly be fatal, but even in smaller exposure can be damaging to the central nervous...

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Mitochondria And Antioxidants: A Tale Of Two Scientists

Mitochondria And Antioxidants: A Tale Of Two Scientists

There is a little miracle of science happening in your body right now. As you read this, a minuscule 5 grams of a high-energy molecule called adenosine triphosphate - ATP - is causing all kinds of reactions in order to give you the energy to sit at your computer. In total, 8 ounces of ATP is being recycled hundreds of times each day, so many times that a human can use their body weight - 200...

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Vegan Cheese – No Milk, Human DNA Instead

Vegan Cheese – No Milk, Human DNA Instead

At a secret enclave in the San Francisco metropolitan area, synthetic biologists and DIYBio tinkerers have been hacking nature up to fix the one thing about the vegan diet that would be difficult for many Americans: going without cheese.iGEM - the 10th international Genetically Engineered Machine competition - is tackling expressing casein proteins in yeast to make cheese. Not a cheese...

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The List Of Chemicals In Your Chemical-Free Weedkiller

The List Of Chemicals In Your Chemical-Free Weedkiller

Glen Tickle, a comedian and Senior Editor at Geekosystem, recently received a lovely gift: a note card with a recipe for a chemical-free weedkiller. A note card recipe! How grandmotherly! Except there is nothing chemical-free about it. And Dawn dishwashing liquid was nothing my grandmother ever used, when it came out it was so quasi-futuristic and chemical-company new that it might as well have...

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After The Blood Moon: Do Some Post-Apocalypse Science

Since the Blood Moon - whatever that is, it sounds Biblical - was last night, and it spells the beginning of our doom, according to a guy trying to sell some books, it's time to start prepping for the days of ultimate holy war. That means no more Southern blots and particle colliders, it's back to basics.In preparation, this weekend the kids and I decided to see what kind of life we could make...

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Weekend Science: Create A Kid Nucleation Experiment In Your Driveway

Nothing says fun to a kid like talking about carbon dioxide and nucleation sites and surfactants.Actually, that sounds really, really boring. But if you instead tell them you are going to cause a giant geyser of soda to erupt in the driveway, they will get pretty excited. Then they will ask what happens if you use different sodas, and then different candies, and suddenly a little experimental...

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