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The psychology of post-traumatic stress disorder – Joelle Rabow Maletis

Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of us, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts that interfere with everyday life. This phenomenon, called post-traumatic stress disorder, or PTSD, isn’t a personal failing; rather, it’s a […]

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How this disease changes the shape of your cells – Amber M. Yates

What shape are your cells? Squishy cylinders? Jagged zig-zags? You probably don’t think much about the bodies of these building blocks, but at the microscopic level, small changes can have huge consequences. And while some adaptations change these shapes for the better, others can spark a cascade of debilitating complications. This is the story of […]

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What happens when your DNA is damaged? – Monica Menesini

The DNA in just one of your cells gets damaged tens of thousands of times per day. Multiply that by your body’s hundred trillion or so cells, and you’ve got a quintillion DNA errors everyday. And because DNA provides the blueprint for the proteins your cells need to function, damage causes serious problems, such as […]

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The science of macaroni salad: What’s in a molecule? – Josh Kurz

We already know that the world is made of things, things like cats and macaroni salad, and macaroni salad is made of things like mayo and mustard and celery, which are all made of molecules. As we’ll see, these molecules are made of the same stuff, just mixed together in different ways. Let’s go back […]

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Rosalind Franklin: DNA’s unsung hero – Cláudio L. Guerra

The discovery of the structure of DNA was one of the most important scientific achievements in the last century, in human history, in fact. The now-famous double helix is almost synonymous with Watson and Crick, two of the scientists who won the Nobel Prize for figuring it out. But there’s another name you may know, […]

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From DNA to Silly Putty, the diverse world of polymers – Jan Mattingly

What do silk, DNA, wood, balloons, and Silly Putty all have in common? They’re polymers. Polymers are such a big part of our lives that it’s virtually impossible to imagine a world without them, but what the heck are they? Polymers are large molecules made of small units called monomers linked together like the railroad […]

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