PHYSICAL SCIENCE Viewpoint: Yes, prior to the twentieth century, many scientists believed in the existence of the aether. Viewpoint: No, only with Albert Einstein's work in the early twentieth century did most scientists accept that the aether...

Aether (also Æther, Greek: ᾿Αιθήρ), in Greek mythology, is one of the Protogenoi, the first-born elemental gods. He is the personification of the "upper sky," space, and heaven, and the elemental god of the "Bright, Glowing, Upper Air." He is...

Virtusa Corp.Westborough, Mass.(508) 389-7300 virtusa.comLead underwriter: JPMorganOffering price: $14-$16Expected date: week of July 30Ticker: VRTUTHE BUZZSecond-quarter results are in for most offshore technology consultants, such as Infosys INFY, Cognizant CTSH and Wipro WIT. Despite some foreign-exchange worries, most analysts like what they see."Demand trends for...