Air Purifier Videos

Air Purifier Videos

Air Purifier

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Wood density holds key to Stradivarius sweet sound LONDON (Reuters) - Researchers using a medical scanner have worked out why a Stradivarius violin sounds so good -- it is because of the remarkably even density of the wood. Publ.Date: Wed, 02 Jul 2008 06:26:09 -0400 Source: Reuters New West Nile virus strain may worsen epidemic WASHINGTON (Reuters) - A new strain of West Nile virus is spreading better and earlier across the United States, and may thrive in hot American summers, researchers said on Thursday. Publ.Date: Fri, 04 Jul 2008 11:46:44 -0400 Source: Reuters A tomato by any other name? Experts set food rules GENEVA (Reuters) - Food safety experts agreed for the first time on the qualities defining a tomato, in a first step toward an international code on preventing fruit and vegetable contamination. Publ.Date: Fri, 04 Jul 2008 13:41:27 -0400 Source: Reuters Researchers open secret cave under Mexican pyramid MEXICO CITY (Reuters) - Archeologists are opening a cave sealed for more than 30 years deep beneath a Mexican pyramid to look for clues about the mysterious collapse of one of ancient civilization's largest cities. Publ.Date: Thu, 03 Jul 2008 12:22:43 -0400 Source: Reuters Solar system a bit squashed, not nicely round WASHINGTON (Reuters) - The solar system may not be a nice round shape, but rather a bit squashed and oblong, according to data from the Voyager 2 spacecraft exploring the solar system's outer limits, scientists said on Wednesday. Publ.Date: Thu, 03 Jul 2008 17:52:37 -0400 Source: Reuters

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