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Self-healing reverse filter opens the door for many novel applications

A self-healing membrane that acts as a reverse filter, blocking small particles and letting large ones through, is the “straight out of science fiction” work of a team of Penn State mechanical engineers. “Conventional filters, like those used to make coffee, allow small objects to pass through while keeping larger …

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How ugly marital spats might open the door to disease

Married people who fight nastily are more likely to suffer from leaky guts — a problem that unleashes bacteria into the blood and can drive up disease-causing inflammation, new research suggests. It’s the first study to illuminate this particular pathway between bad marriages and poor health, said lead author Janice …

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