Windows Vista added a 256Ã256-pixel icon view to Windows Explorer, as well as support for the compressed PNG format. Although compression is not required, Microsoft recommends that all 256Ã256 icons in ICO files should be stored in PNG format to reduce the overall size of the file. The Windows Vista Explorer supports smoothly scaling icons to non-standard sizes which are rendered on the fly even if an image is not present for that size in the icon file.
Bisphenol A and Dental Sealants Dental materials used to treat and prevent caries, including dental sealants, may contribute exceedingly low levels of bisphenol A (BPA) for a few hours after placement. 13-15 In 2013, the ADA CSA adopted a statement on BPA and dental materials.
Bismuth subsalicylate, sold under the brand name Pepto-Bismol, is a medication used to treat temporary discomforts of the stomach and gastrointestinal tract, such as diarrhea, indigestion, heartburn and nausea. Commonly known as pink bismuth, it is also sometimes the active ingredient in Kaopectate. It has the empirical chemical formula of C 7 H 5 BiO 4, is a colloidal substance obtained by hydrolysis of bismuth salicylate (Bi{C 6 H 4 (OH)CO 2 } 3).