Instead of looking for terms that show up in web pages, Wolfram Alpha is a search engine that actually does computations to answer queries. For instance, let’s say you want to know the basal metabolic rate of a 35-year-old woman who is 5’5” and weighs 125 pounds. In a snap Wolfram Alpha will tell you she needs anywhere from 1,562 to 2,474 calories a day, depending on her activity level. READ MORE
