E. coli O157:H7 under a Magnification of 6836x. Shiga toxin-producing E. coli (STEC) causes a condition known as hemorrhagic colitis, which causes the bloody diarrhea associated with E. coli O157:H7 infections. In severe cases of E. coli colitis a colectomy (surgery to remove part or all of the colon) may be required. Read E. coli colectomy information.
This is Dolby's corporate logo, as of 2006. Download the vector logo of the Dolby brand designed by Turner Duckworth in Encapsulated PostScript (EPS) format. The current status of the logo is active, which means the logo is currently in use.
Dolby Labs was founded by American Ray Dolby (1933-2013) in the United Kingdom in 1965. He moved the company to the United States (San Francisco, California) in 1967. The first product Dolby Labs produced was the Dolby 301 unit which incorporated Type A Dolby Noise Reduction, a compander based noise reduction system.