What Causes a Heart Attack?
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What Causes a Heart Attack?

Atherosclerosis is not only a tongue twister; it’s the leading cause of heart attacks worldwide. Understanding how this disease can lead to an attack starts with knowing how your immune system works for and against you. The good news is that thanks to medical advancements, people are living longer and surviving in the face of […]

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Chimpanzee Testing: Is it the Beginning of the End?
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Chimpanzee Testing: Is it the Beginning of the End?

bjbjLULU JEFFREY BROWN: Scientific experiment with chimpanzees, it’s been a subject of hope and debate for years. In recent months, the federal government has moved to limit some of the research it funds with chimps, but questions remain about whether it should occur under any circumstances. NewsHour science correspondent Miles O’Brien has our look. MILES […]

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Milk Is Just Filtered Blood
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Milk Is Just Filtered Blood

Hi, this is Emily from MinuteEarth. Supermarkets have lots of milks to choose from these days, many of which are the product of blending up and straining various nuts and seeds. Plain old milk milk, on the other hand, is also a strained product – it’s filtered cow blood. As weird as this seems, all […]

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What Are the Components of Blood?

Take a guess as to how much blood is in your body right now? Just like a ballpark guess. Think about all the blood in your heart, all the blood in your arteries, veins, and all the smaller blood vessels. Add up all those sources of blood and you get 5 whole liters. That’s about this much! […]

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Does stress affect your memory? – Elizabeth Cox
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Does stress affect your memory? – Elizabeth Cox

You spend weeks studying for an important test. On the big day, you wait nervously as your teacher hands it out. You’re working your way through, when you’re asked to define ‘ataraxia.’ You know you’ve seen it before, but your mind goes blank. What just happened? The answer lies in the complex relationship between stress […]

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