HEATKEYS

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

Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world

ImageShack offers image hosting, free photo sharing and video sharing. Upload your photos, host your videos, and share them with friends and family.

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

Nature - the world

A great place to find information, read reviews and share experiences about local business in your city.

PLoS ONE: an inclusive, peer-reviewed, open-access resource from the PUBLIC LIBRARY OF SCIENCE. Reports of well-performed scientific studies from all disciplines freely available to the whole world.

Find free Medscape Continuing Medical Education (CME) activities on Medscape Education. MedscapeCME offers free CME activities for physicians and other health professionals.

A site for all computer hardware and gaming enthusiasts. Come for PC news, reviews and tips as well as console and PC game walkthroughs, FAQs, cheats, hints, and forums.

The Department of Education operates the public schools in New York City and is the largest system of schools in the United States.

Academia.edu helps academics follow the latest research.