explore the fact-checked online encyclopedia from encyclopaedia britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

quora is a place to gain and share knowledge. it's a platform to ask questions and connect with people who contribute unique insights and quality answers. this empowers people to learn from each other and to better understand the world.

sciencedirect is the world's leading source for scientific, technical, and medical research. explore journals, books and articles.

encyclopedia.com – online dictionary and encyclopedia with pictures, facts, and videos. get information and homework help with millions of articles in our free, online library.

infoplease is a free, authoritative, and respected reference for internet users that provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus.

enjoy the videos and music that you love, upload original content and share it all with friends, family and the world on youtube.

the dictionary by merriam-webster is america's most trusted online dictionary for english word definitions, meanings, and pronunciation. #wordsmatter

imdb is the world's most popular and authoritative source for movie, tv and celebrity content. find ratings and reviews for the newest movie and tv shows. get personalized recommendations, and learn where to watch across hundreds of streaming providers.