HEATKEYS

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

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

View hundreds of free videos from National Geographic, featuring animal videos, weather videos, nature videos, world music videos and other most popular video content including shark videos.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.

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Twitter is without a doubt the best way to share and discover what is happening right now.

The University of Chicago Department of Surgery is one of the most innovative, multifaceted academic surgery departments in the nation featuring leading-edge treatments of complex medical conditions, comprehensive residency and fellowship programs as...

Edheads is a non-profit organization that provides free high quality educational activities on the Web at no cost to students or teachers. Edheads creates unique, educational Web experiences designed to make hard-to-teach concepts understandable.