Note: The term prism is a cool name for a special kind of three-dimensional solid. This tutorial defines the term prism and shows you how to name a prism using the shape of its bases.
Find the Fastest Public DNS Server. Namebench is a free tool that helps you speed up your web browsing. Developed as a 20% project at Google, namebench works by hunting down the fastest DNS server based on your location and browsing history.ind the Fastest Public DNS Server. Namebench is a free tool that helps you speed up your web browsing. Developed as a 20% project at Google, namebench works by hunting down the fastest DNS server based on your location and browsing history.
Parabens are a class of widely used preservatives in cosmetic and pharmaceutical products. Chemically, they are a series of parahydroxybenzoates or esters of parahydroxybenzoic acid (also known as 4-hydroxybenzoic acid). Parabens are effective preservatives in many types of formulas.heir efficacy as preservatives, in combination with their low cost, the long history of their use, and the inefficacy of some natural alternatives like grapefruit seed extract (GSE), probably explains why parabens are so commonplace. No effective direct links between parabens and cancer have been established.