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Endotoxins, primarily lipopolysaccharides (LPS), are components of the outer membrane and cell wall of gram-negative bacteria ...

Learn about sales charges, the types that exist, and their impacts on investments. Discover why they attract criticism and how to avoid them for better returns.

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Jan. 19, 2026 A nearby active galaxy called VV 340a offers a dramatic look at how a supermassive black hole can reshape its entire host. Astronomers observed a relatively weak but restless jet ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...

Audiovox's first GSM PDA phone. This compact device is powered by a 400 MHz XScale processor. Features are typical for a Windows Mobile 2003 PDA phone, including a large touchscreen, speakerphone, ...