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Smartphone charged by ambient sound could free us from power supplies

Researchers in the U.K. have developed a cellphone that is charged by ambient sound, eliminating the need for a charger. Filled with …

25 Takeout Recipes You Should Know How to Make at Home

From shrimp fried rice to spicy tuna rolls, 16 classic take-out dishes you can make at home<p><b>Nothing beats vegging out on the couch</b> with a carton of fried rice from your local Chinese joint, but you don't have to order in to eat takeout classics. Check out our greatest "takeout" hits, and delete the …

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Brains Sweep Themselves Clean Of Toxins During Sleep

While the brain sleeps, it clears out harmful toxins, a process that may reduce the risk of Alzheimer's, researchers say.<p>During sleep, the flow of cerebrospinal fluid in the brain increases dramatically, washing away harmful waste proteins that build up between brain cells during waking hours, a …

Brain activity found after 'brain death'

Maybe cats have nine lives, or maybe brain dead people aren't so dead.<p>Parts of the brain may still be active after a commonly used brain activity reading goes to a flat line, according to a study on cat brains published Wednesday in the online journal PLOS One.<p>The study came after Romanian doctors …

What You See Is What You Taste, Says Scientist

Human Journey<p>Understanding how the eyes can influence flavor perception may someday help thwart even the most finicky eaters. (Credit: Scott Bauer, USDA)<p>When it comes to tasting, what you see is not always what you get. Speaking at the National Meeting of the American Chemical Society, Terry E. …

Why do humans cry? A new reading of the old sob story

When it came to solving the riddle of the peacock's tail, Charles Darwin's powers of evolutionary deduction were second to none – the more …