RTBot lets you access the freshest information and multimedia content about almost any subject, person, place or event in one single place. RTBot aims to be a global top reference site, enriching the way people research, explore, learn, discover and monitor their topics of interest.
RTBot is very easy to use and has a user friendly interface. It is also free and does not require any registration or software installation.
I highly recommend this website to educators and teachers. I have tried several searches on its engine and it just proved to be awesome. Head over to RTBot and give it a try.