HEATKEYS

YouTube is a place to discover, watch, upload and share videos.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.

Institute of HeartMath - researching heart intelligence and stress management for over 19 years, easy-to-use tools scientifically developed and tested. Learn more here

Provides 800+ Online Courses, 19000+ video lectures from 30+ best colleges and universities. Subjects include computer science, web design, psychology, Online it courses, Medical, networking, accounting. Free download.

National Geographic Science and Space Home Page.

Watch all the latest tv shows and blockbuster movies for free as well as a huge archive of past cinema and your favorite series only on tubeplus the world

Free K-12 educational videos … organized. Tens of thousands of excellent, educational videos in a huge, intuitive directory. Organized, reviewed, rated, and described by teachers. Ideal as a supplement to a curriculum or for independent study. Desi...

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

Answers from thousands of trusted physicians. Anytime, anywhere. For FREE! Now also available on your iPhone, iPad, and Android!

Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS Newshour, Masterpiece and many others.