New Nitro Engine Runs JavaScript More Than Four Times Faster Apple(R) announced the public beta of Safari(R) 4, the world’s fastest and most innovative web browser for Mac(R) and Windows PCs. The Nitro engine in Safari 4 runs JavaScript 4.2 times faster than Safari 3.* Innovative new features that make browsing more intuitive and enjoyable include Top Sites, for a stunning visual preview of frequently visited pages; Full History Search, to search through titles, web addresses and the complete text of recently viewed pages; Cover Flow(R), to easily flip through web history or bookmarks; and Tabs on Top, to make tabbed browsing easier and more intuitive.   read more »