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 fr...

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, an...

Radiolab, with Jad Abumrad and Robert Krulwich, is a radio show and podcast weaving stories and science into sound and music-rich documentaries. Liste...

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

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

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

The

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear...

Do you have a song stuck in your head?

Science, technology, environment and health news and discussion from the makers of the NPR public radio program Science Friday with host Ira Flatow.

Online version of the weekly magazine, with current articles, cartoons, blogs, audio, video, slide shows, an archive of articles and abstracts back to...