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

TripAdvisor - Unbiased hotel reviews, photos and travel advice for hotels and vacations - Compare prices with just one click.

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

Nature - the world

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the la...

Who saved the most lives in history. We profile lifesaving scientists and their discoveries.

Listen to online radio, find streaming music radio and streaming talk radio with TuneIn. The best guide to every type of radio: conservative, progres...

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...