"The timeliness of information that I need is..."
del.izzy is a free service that lets you search through your del.icio.us bookmarks. It lets you search through all content, including title, description and page content, for all your bookmarks.
Famhoo is another option for kid friendly searches. Famhoo draws on the collective results of the major search mainstream search engines like Google, AOL, and Yahoo. Famhoo simply provides a stricter family filter than the filters available on mainstream search engines.
Search-22 provides direct access to some of the thousands of search engines you have probably never heard of. It allows you to write your query one time and get the results from different resources by clicking the different search buttons.
Simple search bar with additional ability to refine by images or videos. Schoolhouse provides maths, science, history and the arts and can be filtered for age group (kids, teens, advanced teens). Access to the International Children’s digital Library - a huge resource for children’s literature