"If you have something that you don't want anyone to know, maybe you shouldn't be doing it in the first place. If you really need that kind of privacy, the reality is that search engines—including Google—do retain this information for some time and it's important, for example, that we are all subject in the United States to the Patriot Act and it is possible that all that information could be made available to the authorities." Eric Schmidt.
Dietetic Technicians, Registered (DTRs) have earned at least a two-year degree from a regionally accredited college or university, and have completed a dietetic technical program approved by the Academy's Accreditation Council for Education in Nutrition and Dietetics, including supervised practice experience in community programs, health-care and foodservice facilities. DTRs must successfully complete a rigorous technical level examination and complete continuing education requirements to maintain their credential.
Wolfram Alpha isn’t the only Google alternative with a technical or specific focus. For instance, CC Search scans through Creative Commons-licensed media. Pipl is a powerful (and somewhat terrifying) people search engine. It tracks down user names, real names, social media accounts and more. Onion.link lets you search the dark web from your regular browser instead of having to install the privacy-focused Tor browser.