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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Get the latest Oregon Local News, Sports News & US breaking News. View daily OR weather updates, watch videos and photos, join the discussion in forums. Find more news articles and stories online at OregonLive.com

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

Occupational Safety and Health Administration - Home

Scientific American Blog Network combines a community of science bloggers and staff-authored blogs to provide authoritative information and insights about science and technology, and their roles in global affairs. With a great diversity in tone and t...

National Geographic Education brings geography, social studies and science to life. Using real-world examples and National Geographic's rich media, educators, families, and students learn about the world and the people in it.

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.

Follow National Geographic Explorer-In-Residence James Cameron as he and the DEEPSEA CHALLENGE team embark on a dive to the ocean's deepest point.

Pump Systems Problems, Pump Repair, Pump Installation, Pump Troubleshooting, and Water Hammer - Pumps & Systems Provides Articles, Tools, Online Calculators, Expert Blogs, New Products, Manufacturer Directory and Forums for Pump Users.

An interpretive planning, design, and fabrication firm that assists museums, nature centers, zoos, and other clients in creating high-quality exhibits.